英文關鍵字
adult
brown
builder
building
catch
concrete
construct
construction
covered
day
dirty
disassembling
disassembly
dismantling
dug
engineering
fixed
ground
heating
hooks
industrial
industry
lifts
main
metal
old
people
pipeline
pipes
plate
plates
profession
raising
renovation
repair
repairman
repairs
rope
rusty
slabs
station
sunny
two
uniform
work
workers