Search Results for: Acetylene gas parts
phillip j. and hecker، نويسنده , , evan a. and magnus، نويسنده , , philip، نويسنده , issue information : هفته نامه با شماره پیاپی سال pages : from page : to page : abstract : -dibromoindole underwent regioselective sonogashira coupling at the position with simple acetylenic partners. while, imidazole-acetylene
phillip j. and hecker، نويسنده , , evan a. and magnus، نويسنده , , philip، نويسنده , issue information : هفته نامه با شماره پیاپی سال pages : from page : to page : abstract : -dibromoindole underwent regioselective sonogashira coupling at the position with simple acetylenic partners. while, imidazole-acetylene...
https://search.ricest.ac.ir/inventory/10/1856336.htm
straightens metal plates, weldments, and structural shapes or preheats them preparatory to welding or bending, using torch: selects torch tip from data charts according to thickness, area, and temperature of metal to heat. ) screws tip on torch and connects hoses from torch to tanks of oxygen and fuel gas
, such as acetylene. ) turns levers to activate flow of gas, lights flame, and adjusts mixture to obtain desired size and color of flame. ) holds or guides flame along surface of workpiece to heat and expand metal, to achieve specified straightness, or until color indicates sufficient heating for welding...
https://dot-job-descriptions.careerplanner.com/TORCH-STRAIGHTENER-AND-HEATER.cfm
: ) cuts, trims, or scarfs metal objects to dimensions, contour, or bevel specified by blueprints, layout, work order, or oral instructions, using thermal-cutting equipment: lifts and positions workpiece onto table, manually or using jib or crane. ) connects hoses from torch to oxygen tank and fuel gas
tank, such as acetylene or propane. ) selects torch tip, gas pressures, speed of cut, and allows for width of cut, according to thickness and type of metal as computed from charts. ) installs torch tip and turns handle to start and adjust pressure of fuel gas. ) lights torch and adjusts flow of oxygen...
https://dot-job-descriptions.careerplanner.com/THERMAL-CUTTER-HAND-I.cfm
cutting machines which cut metal plates and structural shapes to dimensions, contour, and bevel specified by blueprints, layout, work orders, and templates: lifts, positions, and clamps metal stock onto bed of machine. ) connects hoses from torch to regulator valves and cylinders of oxygen and fuel gas
, such as acetylene, hydrogen, or propane. ) selects torch tip and computes gas pressure and mixture, and speed of cut, according to type and thickness of metal, data charts, or record of previous cuts. ) installs tip to torch. ) pushes button to adjust sliding arm from side or overhead carriage to position...
https://dot-job-descriptions.careerplanner.com/THERMAL-CUTTING-MACHINE-OPERATOR.cfm