architect
architecture
asian
builder
check
civil
civil engineer
concrete
construction
contractor
discussing
discussion
employee
engineer
engineering
group
helmet
house
industrial
industry
inspection
job
leak
man
mechanical engineer
occupation
people
pipe
plan
pneumatic
pool
pressure gauge
professional
project
pvc
safety
site
structure
system
tablet
team
teamwork
technical
technician
test
together
water
work
worker
定額
Teamwork engineer checking pressure gauge with pneumatic test leaking in pipeline system in pool construction. Installation pvc pipe in pool.の素材 [FY310208383924]
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