英文關鍵字
aged
automatic
belt
block
brick
bricking
bricklayer
brickworks
brickyard
build
business
cement
clay
closeup
company
composition
construction
control
conveyor
cut
dirt
equipment
facility
factory
ground
hand
heavy
house
indicator
indoors
industrial
industry
machine
machinery
manufacture
manufacturing
material
metal
mold
old
plant
process
production
silicate
technology
tool
transportation
workplace
workshop