英文關鍵字
architect
architectural
architecture
builder
building
chamber
civil
construction
contractor
drain
drainage
engineer
engineering
environment
facility
foreman
groundwork
industrial
industry
infrastructure
inspection
job
layout
man
manager
manual
occupation
outdoor
people
person
planning
plans
preparation
preparing
professional
project
safety
sanitation
septic
sewage
sewer
sewerage
site
supervisor
tank
underground
waste
work
worker
working