Worker control devices in Heating Plant
Palabras clave
man,
hot,
pipe,
tank,
turn,
pump,
tied-up,
ventilated,
look,
work,
heat,
power,
valva,
watch,
gauge,
metal,
helmet,
men at work,
energy,
safety,
device,
goggles,
working man,
control,
factory,
pressure,
industry,
twisting,
machinery,
equipment,
machinist,
protective,
mechanical,
occupation,
spectacle,
fabricator,
protection,
production,
eyeglass,
construction,
manufacturing,
filling station,
blue-collar
