Beli Tumbuh Bersih bekas (2.030)

Kondisi: bekas, Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: 224088, Instalasi pembersihan untuk pembersihan papan sirkuit cetak (PCB) yang sudah dirakit, termasuk unit cadangan demineralisasi air, sisa cairan pembersih, pembersih bubuk, serta aktivator. Hnedpfx Aox Eiv Nsa Neg

Tahun pembuatan: 2015, Kondisi: hampir baru (bekas), SISTEM OTOMATIS UNTUK PEMBERSIHAN, PEMOLESAN, DAN PENGERINGAN Hnjdpfx Aaoxxbcus Nog Sistem ini hanya digunakan untuk operasi uji coba dan terdiri dari: 1 unit sentrifugal pemanas untuk penghilangan minyak 2 unit vibrator bundar untuk pembersihan/pemolesan 2 unit sentrifugal pengering berpemanas yang dapat diputar Selain itu, dimungkinkan untuk mengalirkan 4 jenis media berbeda melalui tangki stainless steel berpemanas. Tangki, pipa, dan sentrifugal seluruhnya terbuat dari baja tahan karat, sehingga sangat cocok untuk pembersihan asam atau etsa komponen. Biaya pembongkaran diperkirakan sekitar € 20.000-30.000, namun pembongkaran juga bisa dilakukan oleh pembeli.

Tahun pembuatan: 2012, Kondisi: sangat baik (bekas), ROTOX lini pengelasan dan pembersihan dari kiri ke kanan, terdiri dari mesin las ROTOX SMK 504 dan mesin verputz EPA 472 dengan stasiun pembalik, dioperasikan satu shift, kontrol Windows pada kedua mesin utama, ukuran pengelasan maksimum: 3.500 mm x 2.500 mm, saat ini diprogram untuk profil VEKA, 1 set pagar pengaman. Hodpfx Aasx Dy Tcs Njng

Tahun pembuatan: 2023, jam operasional: 4 h, Kondisi: hampir baru (bekas), Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: 10220, hyCLEANER® red EVO I membersihkan berbagai jenis fasad, permukaan, dan material: sangat lembut, efektif, cepat, dan yang terpenting, ekonomis. Mesin ini bekerja dengan air bertekanan tinggi dan tidak memerlukan sambungan listrik. Kaca dan bingkai dibersihkan secara bersamaan. Semua elemen yang bersentuhan dengan air terbuat dari baja tahan karat. Air murni dapat digunakan, sehingga permukaan kaca mengering tanpa meninggalkan goresan. Keunggulan lain dari hyCLEANER® red EVO I adalah roda berjalan yang tidak meninggalkan bekas pada permukaan fasad – pembersihan yang lembut bisa semudah ini! Hnjdoxnlz Hepfx Aa Nog

Kondisi: baru, Tahun pembuatan: 2024, tekanan kerja: 250 batang, panjang total: 878 mm, panjang selang tekanan tinggi: 10.000 mm, tinggi total: 702 mm, lebar total: 538 mm, berat kosong: 57 kg, bahan bakar: super 95, masa garansi: 24 bulan, We offer for sale a new HD 9/25 G Classic Petrol-Powered High-Pressure Washer. Machine condition: New Year of manufacture: 2024 Technical data: Pump output (l/h): 900 Operating pressure (bar): 250 Maximum pressure (bar): 300 Water connection: R 3/4″ Drive type: petrol Engine type: G390FA Mobility: High Colour: anthracite Weight with accessories (kg): 56.8 Dimensions (L x W x H) (mm): 878 x 538 x 702 Scope of delivery: - Standard spray gun - High-pressure hose length: 10m - Crankshaft pump with ceramic pistons - Power nozzle - Protective frame - Water filter Features Independence: - Operates independently of external power sources. - Compliant with EU STAGE V emission standards. - Convenient, manual start. Hnodpox At R Ejfx Aa Nsg High mobility: - Puncture-proof wheels. - Compact and small-sized unit, easy to manoeuvre in confined areas. - Fits into a car. Robust and durable construction: - Sturdy tubular frame protects the pump against damage. - High-pressure pump safety valve and water filter. - Crankshaft pump with ceramic pistons. Accessory storage: - Holder for electric cable and storage compartment for accessories for easy storage and transport. - Ergonomic handle and convenient hose storage. The HD 9/25 G Classic cold water high-pressure cleaner, with an operating pressure up to 250 bar, water flow rate of 900 litres per hour and a robust crankshaft pump, meets the highest demands in cleaning tasks. Powered by a high-performance EU STAGE V petrol engine, eliminating the need for external power supply, and equipped with a sturdy steel tubular frame and puncture-proof tyres, the HD 9/25 G Classic is perfect for demanding use on construction sites, in industry, municipal services and construction companies. The ergonomic handle and compact dimensions, as well as dedicated storage space for accessories such as the high-pressure hose and lance, make handling and transport by vehicle easy. Key components are easily accessible for inspection and securely protected by thermostatic and safety valves. Please note: the unit does not feature water suction from alternative sources.

Kondisi: sangat baik (bekas), Kärcher Type: PC 60/130 T / with oil separator kit (skimmer) Kärcher parts washer Manufacturing, maintenance, workshop, metalworking – automatic parts cleaners have many applications. These parts washers operate with aqueous solutions, free of solvents. The top-loading PC 60/130 T is a fully automatic parts cleaner for components up to 600 mm in diameter, 310 mm in height, and a maximum weight of 130 kg. Cleaning is performed by three-dimensionally arranged flat-jet nozzles using solvent-free, heated Kärcher water-based cleaning agents. The items are rotated during washing on an electrically driven turntable. The PC 60/130 T offers numerous practical features, such as an integrated small parts drawer that reliably collects loose items and coarse debris. Equipment features: - Hour meter - Retaining ring (stainless steel for the turntable) - Swivel castors, 2 lockable - Timer for cleaning cycle - Water level control - Oil separator (skimmer) kit, see image 7 The oil separator (skimmer) significantly extends the service life of the cleaning solution. Once the cleaning solution has settled, for example overnight, any introduced oil floats to the surface. The skimmer can then be activated to remove this oil from the cleaning solution. Specifications Technical Data: Pressure (bar/MPa): 1.5 / 0.15 Flow rate (l/h): 4,500 Connected load (kW): 5.5 Working diameter (mm): 600 Usable height (mm): 310 Housing/frame: Stainless steel (1.4301) Certified to CE standards Heating power (kW): 4.5 Max. temperature (°C): 80 Adjustable cleaning time (min): 1 / 30 Max load (kg): 130 Sound pressure level (dB(A)): 65 Tank capacity (l): 100 Hnodpfsfu Ikwex Aa Njg Number of phases (Ph): 3 Frequency (Hz): 50 Voltage (V): 400 Dimensions (D x W x H) (mm): 1080 x 1000 x 1250 Very low operating hours, as can be seen in the photo. Condition: used Scope of delivery: (see photo) (Specifications subject to change and error!) For further questions, please contact us by phone.

Tahun pembuatan: 2020, Kondisi: sangat baik (bekas), Fungsionalitas: berfungsi sepenuhnya, Otomat Pembersih Lembaran Industri Berperforma Tinggi Jeros Model: 9029TS dengan 9020 Kapasitas 800-1000 lembar/jam dengan sistem pelumasan / tangki oli eksternal Kontrol layar sentuh untuk pembersihan loyang otomatis Konstruksi stainless steel premium Koneksi 400V, steker 16A-CEE Unit bekas telah dibersihkan Opsi: Kontrak perawatan Paket layanan Hsdpoxwtnyjfx Aa Nsng Layanan pengiriman Pelatihan / Komisioning

Kondisi: hampir baru (bekas), Tahun pembuatan: 2020, Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: CryoMax Eco 17Y110-01, Mesin baru (demo) dibeli, hanya sekali digunakan di pelanggan untuk demonstrasi singkat! Hsdpfx Aox Dkagoa Neng

Kondisi: baik (bekas), Tahun pembuatan: 2012, Rak lengan ayun, dua sisi Panjang sekitar 5,0 m, tinggi 2,0 m Dijual satu set lengkap rak lengan ayun META Multistrong-L dengan kualitas industri yang kokoh. Data teknis: • Produsen: META, tipe Multistrong-L • Tinggi tiang: 2000 mm • Panjang bidang: sekitar 1000 mm • Panjang total: sekitar 5000 mm • Kedalaman total: sekitar 1420 mm • Kapasitas beban per lengan: 140 kg Terdiri dari: • 6 tiang, IPE 120, tinggi 2000 mm • 60 lengan, panjang 600 mm • Penyangga diagonal + baut lengkap Harga: 1.000 € netto • Rak telah dibongkar dan siap diambil segera. Hjdpjx A Iv Aofx Aa Nsng Pengambilan: 97514 Oberaurach Pembayaran: • Pembayaran tunai saat pengambilan • Transfer bank di muka • PayPal Faktur dengan PPN akan diberikan. Harga netto, ex gudang (97514 Oberaurach).

Kondisi: sangat baik (bekas), Tahun pembuatan: 2006, Tahun: 2006 - berfungsi secara teknis, siap kerja – setelah servis penuh - 2 motor pneumatik (atas + bawah) - pemotong cakram: 250 mm - 2 sumbu CNC - tinggi kerja: 140 mm - sistem pengenalan profil - 2 pisau pembabat burr (atas + bawah) Hodpfoxz Ayyox Aa Neng - meja masuk/keluar

Tahun pembuatan: 2020, Kondisi: baik (bekas), nomor mesin/kendaraan: 054889, aduna-k100-2bad-en Hnjdpfx Aaoxz S Utj Neg

Kondisi: sangat baik (bekas), Stratasys Objet Model: Objet260 Connex 2 Stratasys Objet260 Connex 2 3D Printer + Cleaning Glovebox Computer, Monitor, Software: Objet Studio Ver. 9.2.11.6825 The Objet260 Connex 3D printers from Stratasys are based on PolyJet technology and enable the combination of two or three base resins in a single print job. This allows for the production of prototypes from three materials, simulating overmolding, or equipping build trays with selected models. Using triple-jetting technology, the Objet260 Connex produces prototypes with up to 27 material properties simultaneously in a single part. The unit enables high-resolution printing with 16-micron layers, allowing the production of complex geometries, smooth surfaces, and thin walls. Model Materials: - Rigid and opaque (VeroWhitePlus, VeroBlackPlus, VeroGray, and VeroBlue) - Rubber-like (Tango family) - Transparent (RGD720 and VeroClear) - Simulated polypropylene (Endur and Durus) - Biocompatible (MED610) - Heat-resistant (RGD525) Hnjdev Rw Etspfx Aa Njg Digital Materials: - Digital ABS and Digital ABS2 - Wide range of translucency values - Rubber blends with various Shore A hardness grades - Simulated polypropylene materials with enhanced heat resistance Applications: - Visual prototypes - Functional prototypes - Tools and fixtures - Architectural models - Medical models - Injection molding tools - Concept models Technical Specifications: Build volume: 255 × 252 × 200 mm Layer thickness: Horizontal layers as thin as 16 µm Resolution: X-axis: 600 dpi; Y-axis: 600 dpi; Z-axis: 1600 dpi Accuracy: 20 to 85 µm for parts smaller than 50 mm; up to 200 µm for full model size (only for rigid materials; depends on geometry, build parameters, and model orientation) Dimensions and weight: 870 × 735 × 1200 mm; 410 kg Power supply: 100–120 VAC, 50–60 Hz, 13.5 A, single-phase or 200–240 VAC, 50–60 Hz, 7 A, single-phase Condition: used Scope of delivery: (see image) (Specifications and details are subject to change and errors excepted!) If you have further questions, we would be happy to answer them by phone.

Kondisi: sangat baik (bekas), Temperature 80 / 130°C Load capacity 100 kg Volume 750 l Hodpfx Asmmfg Nja Njng MARCELS MASCHINEN AG

Kondisi: bekas, Tahun pembuatan: 2004, Mesin pembersih sudut otomatis ROTOX EPA 274, dirancang untuk pembersihan sudut luar dengan motor AC 2,2 kW 400V. Diameter poros pemotong 40 mm, 4 posisi pemotong (panjang poros 330 mm, penjepitan ganda), 2 pisau penghapus sambungan horizontal, penjepit pneumatik. Operasi dikendalikan oleh pengontrol yang dapat diprogram, memungkinkan waktu operasi dipangkas ke nilai paling optimal. Regulator tekanan dengan filter udara dan pengukur tekanan. Lebar profil yang diproses 140 mm, tinggi 90 mm (200 mm). Bobot 300 kg. Hnjdpexytmzefx Aa Nsg

Kondisi: hampir baru (bekas), Tahun pembuatan: 2025, jam operasional: 120 h, Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: LP20250324YKH, jam kerja laser: 150 h, jenis laser: laser serat, produsen sumber laser: Dato, model sumber laser: Cw 1500/Pulse 300w 15mJ, For sale: State-of-the-art, lightly used 2-in-1 laser system, ideal for precision cleaning and welding. This complete package is immediately ready for operation. Price: €30,000 (negotiable) NET IMPORTANT NOTICE: This is a private sale, VAT (value added tax) will not be shown or charged. 1. Core data of laser units: • Manufacturer: Shandong Dato Machinery Co., Ltd • Year of purchase: 2025 (like-new models!) • Operating hours: Very little usage! • Pulse laser (LC-300W): approx. 300 hours • CW laser (LC-1500W): approx. 150 hours 2. Laser specifications: • Pulse laser (cleaning/ablation): 300 watts output, 15 mJ pulse energy. Includes protective lenses and a special distance tripod for the pistol head. • CW laser (welding/high-speed cleaning): 1500 watts output. Includes protective lenses. 3. Unbeatable added value (software & parameters): • Includes over 40 pre-set, optimized parameters for immediate and efficient cleaning of a wide range of materials. This saves considerable setup and testing time. • The results and function of these parameters can be viewed in our videos on TikTok, Facebook, and Instagram: Infinity Laser Clean 4. Complete accessory and safety package: • Peripherals: Industrial fume extractor XL-500 (700 m³/h capacity) and Vevor 50L air compressor (oil-free). • Safety: 4x laser safety curtains (Class 4), 8x safety glasses (LaserPair), 1x 3M respiratory protection mask. Hjdexz R I Eopfx Aa Neng • Consumables: Includes 40 replacement filters, numerous spare protective glasses (lenses) • Logistics: Robust loading ramps included 5. Certificates, warranty & support: • Warranty: Manufacturer's warranty is valid until 2027. • Documentation: All CE certificates and technical documentation are included. • Support: Buyer will be added to an existing WhatsApp/Telegram support group, where technical assistance and parameter optimization are provided. Reason for sale: Business liquidation and strategic realignment towards the construction industry. Condition: LIKE NEW, regularly serviced, and immediately ready for use. Location & viewing: Frankfurt am Main. Viewing and test run possible by appointment for serious buyers. Delivery can be arranged at additional cost upon full payment. Serious inquiries only, please.

Kondisi: baru, Tahun pembuatan: 2025, Fungsionalitas: berfungsi sepenuhnya, Dry Ice Cleaning Machine X-FORCE – Polish Manufacturer! Offered for sale is a modern dry ice cleaning machine, model X-FORCE, manufactured by the first Polish producer of this type of equipment. Our machines are sold worldwide and are backed by an extensive service network. This is a professional, efficient, and reliable machine designed for cleaning surfaces without the use of water or chemicals – the ideal solution for industry, workshops, maintenance departments, and restoration applications. Dry ice cleaning technology. Key advantages of the X-FORCE machine: - Polish-made – guaranteed quality, robust construction, full service support, and spare parts availability. - High performance – effective cleaning without surface damage. - Mobile and compact – easy to transport and operate. Hnedjxy Ilfjpfx Aa Neg - Eco-friendly technology – dry ice cleaning without chemicals or secondary waste. - Safe operation – 230V power supply, electric vibrator ensures stable ice feed. X-FORCE Technical Specifications: | Parameter | Value | |-----|-----| | Dimensions | 100 × 50 × 55 cm | | Weight | approx. 100 kg | | Dry ice hopper capacity | 37 kg | | Working pressure | 1.7 – 20 bar | | Dry ice feed range | 0 – 3.5 kg/min | | Dry ice jet diameter | 1 1/4" | | Air consumption | 1.5 – 6.0 m³/min (5 bar) | | Power supply | 230V AC (50/60 Hz) | | Electric vibrator | Yes | Applications: - Cleaning of injection moulds and dies - Cleaning and maintenance of industrial machinery and equipment - Restoration of metal, wood, and stone surfaces - Removal of paints, greases, oils, and industrial contaminants - Cleaning of electrical and electronic devices (no risk of moisture damage) - Fire damage cleaning Why choose X-FORCE: By purchasing from the first Polish manufacturer, you receive not only a high-quality machine but also: - 24-month manufacturer’s warranty - Technical support and user training - Access to accessories and spare parts - Warranty and post-warranty service worldwide! As the only manufacturer of dry ice cleaning machines, we offer a full 24-month warranty. The machine is brand new and ready for work. Possibility to customize machine parameters and device color scheme for larger orders.

Kondisi: sangat baik (bekas), Tahun pembuatan: 2007, Fungsionalitas: berfungsi sepenuhnya, Tahun: 2007 - secara teknis efisien, siap kerja – setelah servis penuh - mesin pembersih SV 530 Hnodpfxoxgqvts Aa Nog - mesin las AKS 1610 - stasiun pendingin TBA-F 26/25 - stasiun pembalik WT 530 - Dimensi pengelasan: 2300 x 3500 mm - Batas sambaran: 0,2 – 2 mm - Pembentuk seal

Tahun pembuatan: 2024, Kondisi: sangat baik (bekas), Fungsionalitas: berfungsi sepenuhnya, optima_steamer_xd_dampfreiniger_neu_mit_garantie Hnsdpfxoh Izgqo Aa Neg

Kondisi: diremajakan ulang (bekas), HERBOLD Pengering/Pembersih/Pengering kering Tipe T2015 Daya penggerak 45-132 kW tergantung pada kinerja yang diminta dan tugasnya Penggunaan: Pengeringan dan pembersihan plastik keras, serpihan PET (maks. 4 ton/jam output) dan film (1,2-1,6 ton/jam) Rotor diameter 1200 mm x panjang 2300 mm Lubang saringan standar 2,5 mm lubang bulat Hnjdpfx Aasxgtrqs Neg Dengan penggerak sabuk V

Kondisi: baru, Fungsionalitas: berfungsi sepenuhnya, tekanan kerja: 180 batang, panjang selang tekanan tinggi: 10.000 mm, tegangan masuk: 400 V, berat keseluruhan: 123 kg, masa garansi: 24 bulan, suhu: 80 °C, The main focus of the HDS 8/18-4C Classic model was the refinement of the structure compared to the predecessor model HDS 8/18-4M. The pump and boiler design have been improved, making the current unit the most advanced version of the hot water model. Thanks to its balanced construction, the machine can be operated and transported by just one person. The brass pump head and the automatic pressure relief system extend the service life of the unit. A large water filter protects the pump from possible impurities in the water. Product advantages: - A reliable crankshaft pump and water-cooled motor ensure maximum efficiency and long-lasting operation. - The open design allows very easy access to all necessary parts of the unit. - A robust tubular steel frame provides maximum protection and easy transport, e.g., by crane on construction sites. - Integrated crane hooks and large, puncture-proof wheels make transportation to and from the site easier. - The ECO mode allows you to optimize fuel consumption (up to 20%). - The brass pump head and automatic pressure relief system extend the service life of the machine. - A large water filter safeguards the pump against possible contaminants in the water. Technical specifications: Condition: NEW Model: HDS 8/18-4C CLASSIC Manufacturer: KARCHER Country of manufacture: Germany Series: Professional Thread type: KARCHER !EasyLock series Power supply (~/V/Hz): 3 / 400 / 50 Pump capacity (l/h): 400 - 800 Working pressure (bar/MPa): 30 - 180 Max. pressure (bar/MPa): 235 Water heating range (°C): ~80 Power consumption (kW): 5.5 Power cable (m): 5 Weight (kg): 123 Fuel tank (l): 30 Dimensions (L x W x H) (mm): 1075 x 722 x 915 Equipment: Spray gun: Karcher Professional High-pressure hose: Karcher Professional – 10 m Lance: Karcher Professional 1050 mm Nozzle: POWER Karcher Professional pressure nozzle Key features: Mobility: The machine features large, puncture-proof wheels that ensure safe maneuverability on uneven surfaces. Construction: Brass pump and 4-pole, low-speed, cooled motor; pressure relief valve after switching off the unit ensures the longest service life and high operating parameters. Hnodpfx Aswkq I Hja Nog Easy transport: Integrated crane hooks facilitate the machine’s transport on construction sites.

Kondisi: baru, Tahun pembuatan: 2023, Automate your cleaning process with devices from the Superior series: lifting mechanism with support grate for effortless handling of components, filtration systems for dirt separation, exclusive oil separation system (OPS), and intuitive touch panel. Standard models available from 150 L to 7,500 L. Hnsdpfxof E Ntve Aa Nsg Tank capacity: 390 L External dimensions: 1680 x 1130 x 1720 mm Usable rack dimensions: 870 x 520 x 385 mm Load capacity: 250 kg Ultrasonic frequency: 28/40 kHz Ultrasonic power: 2400 W

Kondisi: sangat baik (bekas), Tahun pembuatan: 2007, Tahun: 2007 - teknis efisien, siap kerja – setelah servis penuh - pemotong cakram: 250 mm - 4 sumbu CNC Hnsdpfxoxx Rtcj Aa Neg - tinggi kerja: 200 mm - sistem pengenalan profil - 2 pisau penghilang gerinda (atas + bawah) - meja masuk/keluar

Kondisi: bekas, Suitable for pre-shredded plastic waste (rigid plastics, films), throughput depending on material type approx. 0.5–2 t/h, drive power 30 kW. A total of four dryers of this model are available. Hodpfexgtrwox Aa Nong

Kondisi: baru, tekanan kerja: 160 batang, panjang selang tekanan tinggi: 15.000 mm, tegangan masuk: 400 V, berat keseluruhan: 111 kg, masa garansi: 24 bulan, Powerful three-phase compact-class hot water high-pressure cleaner with automatic hose reel. The HDS 7/16 CXA is equipped with a robust air-cooled motor featuring eco!efficiency mode and a durable axial pump with three ceramic pistons for high-pressure output. Hot water effectively dissolves even grease and reduces the consumption of cleaning agents, which can be precisely metered from a 15.5-litre tank. Both water pressure and flow can be adjusted to suit the task. The user-friendly HDS 7/16 CXA is designed for daily operation under demanding conditions. Technical Data: Condition: NEW Voltage (Ph/V/Hz): 3/400/50 Pump output (l/h): 270 - 660 Operating pressure (bar): 30 - 160 Water inlet temperature (°C): max. 80 Connected load (kW): 4.7 Fuel consumption (kg/h): 4.1 Heating oil consumption, eco-efficiency (kg/h): 3.3 Power cable (m): 5 Fuel tank (l): 15 Weight with accessories (kg): 111 Dimensions (L x W x H) (mm): 1215 x 650 x 920 Scope of delivery: Spray gun: EASY!Force Advanced Spray lance: 1050 mm Power nozzle Features: High-pressure hose length: 15 m Soft damping system (SDS) Integrated automatic hose reel Automatic pressure relief after device shut-off Integrated fuel and detergent tanks Automatic Hose Reel: - Scratch-resistant and smooth Ultra Guard HD hose with Teflon® coating - Automatic hose reel for safe work and convenient storage of the 15 m Ultra Guard HD hose with Teflon® coating High Efficiency: - Eco!efficiency mode – economical and eco-friendly even during extended operation. - Reduces fuel consumption and CO₂ emissions by 20 percent. Comprehensive accessories with EASY!Lock - EASY!Force Advanced for effortless operation without holding force. - Rotatable 1050-mm stainless steel lance. Reliability: - Water softening system protects the heating coil from lime scale damage. - Soft damping system (SDS) compensates for vibrations and pressure surges in the high-pressure system. Convenient onboard accessory storage: - Storage hooks for power cable and high-pressure hose. - Integrated nozzle storage. - Integrated lance holder for transportation. Operational safety: - Easily accessible water filter protects the pump from particles in the water. Hodpfxev Tmx Ij Aa Nong - Safety valves, low water and fuel protection ensure device availability.

Kondisi: baru, tekanan kerja: 200 batang, panjang selang tekanan tinggi: 10.000 mm, berat keseluruhan: 206 kg, masa garansi: 24 bulan, suhu: 155 °C, en Hnsdpfx Aaewglr Sj Neg