The worker makes hardening heat treatment of the metal gear on a special machine, close-up, hardening of metal, quenching
Keywords
chill,
quenching,
hardening,
red,
high,
manufacturing,
fire,
press,
metal,
tool,
heavy,
metalworking,
processing,
detail,
steel,
industry,
hot,
temperature,
hand,
product,
process,
industrial,
material,
forging,
iron,
safety,
workshop,
forge,
heated,
automotive,
alloy,
billet,
production,
working,
steam,
floor,
smelting,
factory,
workplace,
punch,
glow,
smith,
glove,
closeup