Male workers in overalls peer into an open manhole, checking utilities. Cleaning septic tanks and cesspools
Schlüsselwörter
sewer,
maintenance,
sewage,
sewerage,
inspection,
man,
plumber,
hole,
water,
manhole,
tank,
septic tank,
well,
working,
repair,
cleaning,
drain,
construction,
open,
man,
reservoir,
system,
repairman,
men at work,
drainage,
service
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