A close-up shot of a worker using a specialized camera to inspect a clogged drainpipe and identify the source of the blockage,
Keywords
close,
shot,
men at work,
use,
camera,
inspect,
clog,
drainpipe,
identify,
leaking,
maintenance,
sewer,
water,
system,
drainage,
urban,
pipeline,
problem,
sewage,
manpower,
diagnostic,
visual,
pressure,
video,
detection,
issue,
repair,
safety