Male worker climb inside the stairway storage visual inspection tank into the confined space
Schlüsselwörter
access,
air,
background,
blower,
climb,
confine,
confined,
construction,
danger,
dark,
dirty,
energy,
engineering,
entry,
environment,
equipment,
fresh,
fuel,
heat,
hole,
industrial,
industry,
iron,
line,
manhole,
mask,
metal,
oil,
old,
open,
plate,
power,
rust-eaten,
safety,
space,
staircase,
steel,
storage,
surface,
tank,
technology,
texture,
tool,
tunnel,
urban,
ventilation,
vessel,
water,
work
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