Workers prepare to enter a confined space using an air ventilation blower while following safety guidelines for manhole access at a work site
Schlüsselwörter
confined,
space,
safety,
permit,
entry,
manhole,
industrial,
hazard,
air,
ventilation,
blower,
men at work,
site,
precaution,
equipment,
gear,
construction,
labor,
tool,
monitoring,
environment,
compliance,
work,
exhaust,
noise,
protective,
machinery,
regulation,
infrastructure,
engineering,
maintenance,
operation,
procedure,
training,
teamwork,
rescue,
plan,
risk
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