Gas-fired radiant tube single burner heaters and multi-burner continuous gas-fired radiant tube heater systems for non-domestic use. Safety requirements and energy efficiency
Destructive tests on welds in metallic materials. Hardness testing of narrow joints welded by laser and electron beam (Vickers and Knoop hardness test)
Sets of portable multi-impression and cassete press-moulds and single impression for manufacturing rubber unpacking seals. Executive dimensions of formed articles