Terms for subject Metallurgy containing operate

English	Spanish
conventional operating welding conditions	régimen convencional de soldeo
cutting machine operating with a toothless metal friction disc	tronzadora de disco metálico o de fricción
man who operates automatic welding machines	soldador de máquina
mould operating by gravity	molde para el moldeo por gravedad
mould operating by gravity	molde inerte
mould operating by injection	molde para el moldeo por inyección