英文關鍵字
activity
alignment
architecture
background
block
blocks
brick
bricklayer
bricklaying
bricks
brickwork
build
builder
building
built
cement
concrete
construct
construction
constructor
contractor
development
equipment
hand
helmet
house
industrial
industry
installing
job
laying
level
man
mason
masonry
mortar
occupation
professional
red
site
stone
structure
technology
tool
tools
wall
work
worker
working