37 Cleaning services for brackets of metal, fuel injection nozzles for engines, thrust chambers (parts of rocket engines), internal combustion engines and their parts, not for land vehicles, electric motors and parts thereof, other than for land vehicles, non-electric prime movers and parts thereof, not for land vehicles, turbine blades, jet engine housings, not for land vehicles, die casting molds, brackets and fixtures for metalworking machines, plastic processing machines, ceramic processing machines and 3D printers, structural components of satellites and space vehicles, medical implants made from artificial materials, surgical instruments, medical instruments, components of vehicle chassis, components of suspension systems for vehicles, housings for gearboxes and transmissions for land vehicles, manufactured or repaired by a laser sintering or laser melting process; cleaning services for brackets of metal, fuel injection nozzles for engines, thrust chambers (parts of rocket engines), internal combustion engines and their parts, not for land vehicles, electric motors and parts thereof, other than for land vehicles, non-electric prime movers and parts thereof, not for land vehicles, turbine blades, jet engine housings, not for land vehicles, die casting molds, brackets and fixtures for metalworking machines, plastic processing machines, ceramic processing machines and 3D printers, structural components of satellites and space vehicles, medical implants made from artificial materials, surgical instruments, medical instruments, components of vehicle chassis, components of suspension systems for vehicles, housings for gearboxes and transmissions for land vehicles, manufactured or repaired by a laser sintering or laser melting process or by a manufacturing process containing laser sintering or laser melting; cleaning services by water jetting for brackets of metal, fuel injection nozzles for engines, thrust chambers (parts of rocket engines), internal combustion engines and their parts, not for land vehicles, electric motors and parts thereof, other than for land vehicles, non-electric prime movers and parts thereof, not for land vehicles, turbine blades, jet engine housings, not for land vehicles, die casting molds, brackets and fixtures for metalworking machines, plastic processing machines, ceramic processing machines and 3D printers, structural components of satellites and space vehicles, medical implants made from artificial materials, surgical instruments, medical instruments, components of vehicle chassis, components of suspension systems for vehicles, housings for gearboxes and transmissions for land vehicles, manufactured or repaired by a laser sintering or laser melting or by a manufacturing process containing laser sintering or laser melting; providing information in the field of repair of laser melting machines and laser sintering machines for processing metal powders, ceramic powders, plastic powders, plastic powders, casting machines; providing information in the field of repair of casting machines; installation, repair and maintenance of brackets of metal, fuel injection nozzles for engines, thrust chambers (parts of rocket engines), internal combustion engines and their parts, not for land vehicles, electric motors and parts thereof, other than for land vehicles, non-electric prime movers and parts thereof, not for land vehicles, turbine blades, jet engine housings, not for land vehicles, die casting molds, brackets and fixtures for metalworking machines, plastic processing machines, ceramic processing machines and 3D printers, structural components of satellites and space vehicles, medical implants made from artificial materials, surgical instruments, medical instruments, components of vehicle chassis, components of suspension systems for vehicles, housings for gearboxes and transmissions for land vehicles, manufactured or repaired by a laser sintering or laser melting process; installation, cleaning, repair, and maintenance of laser melting machines for processing metal powders, ceramic powders, plastic powders and/or composite material powders; installation, cleaning, repair, and maintenance of casting machines, vacuum casting machines, investment casting machines; installation, cleaning, repair, and maintenance of laser sintering machines for processing metal powders, ceramic powders, plastic powders and/or composite material powders; installation, cleaning, repair, and maintenance of machine tools for use in the laser melting and sintering machines and casting machines for processing metal powders, ceramic powders, plastic powders and/or composite material powders; installation, cleaning, repair, and maintenance of machine tools for use in electronic controlling machines for controlling machines for processing metal powders, ceramic powders, plastic powders and/or composite material powders; installation, cleaning, repair, and maintenance of measuring devices for use in machines for processing metal powders, ceramic powders, plastic powders; installation, cleaning, repair, and maintenance of measuring devices for use in laser melting and laser sintering machines for processing raw materials, and for use in casting machines; repair and maintenance of 3D printers; machinery installation; installation, cleaning, repair and maintenance of optical electronic control devices for guiding and focusing a laser beam; installation, cleaning, repair and maintenance of measuring devices for use in machines for processing powder materials; installation, cleaning, repair and maintenance of measuring instruments for measuring and quality control of material processing by laser; construction consultancy; repair or maintenance of metalworking machines and tools; repair or maintenance of plastic processing machines and apparatus; repair or maintenance of ceramic processing machines and apparatus; cleaning of metalworking machines; cleaning of plastic processing machines; cleaning of ceramic processing machines; repair or maintenance of measuring machines and instruments; repair or maintenance of optical machines and instruments; construction; sanding services for brackets of metal, fuel injection nozzles for engines, thrust chambers (parts of rocket engines), internal combustion engines and their parts, not for land vehicles, electric motors and parts thereof, other than for land vehicles, non-electric prime movers and parts thereof, not for land vehicles, turbine blades, jet engine housings, not for land vehicles, die casting molds, brackets and fixtures for metalworking machines, plastics processing machines, ceramic processing machines and 3D printers, structural components of satellites and space vehicles, medical implants made from artificial materials, surgical instruments, medical instruments, components of vehicles chassis, components of suspension systems for vehicles, housings for gearboxes and transmissions for land vehicles, manufactured or repaired by laser sintering or melting process.