英文關鍵字
action
architecture
builder
building
built
business
caucasian
combination
concrete
construction
experienced
exterior
ferroconcrete
fixing
gloves
hardhat
helmet
hold
industry
investments
iron
job
knitting
labor
man
manual
mason
metal
occupation
one
outdoors
person
pliers
power
professional
reflective
reinforcement
reinforcing
safety
scaffolding
site
skills
steel
strong
structure
technology
tool
tools
under
urban
vests
work
worker