機器
accessory
blend
blender
build
building
cement
cement mixer
concrete
construction
construction site
construction worker
contractor
conversion
craft
crust
cultivation
development
equipment
factory
gear
house
housebuilding
industrial
industry
instrument
machinery
mason
mechanics
metal
mixer
mixing
mortar
motor
movement
portable
production
renovation
round
sand
shaker
site
tool
under construction
wall
water
wheel
work