機器
levelling
architecture
base
building
cement
cement floor
commercial
concrete
concreting
construction
craftsman
engineering
equalization
equalizes
equates
equipment
finish
finishing
flatten
float
floor
grinder
grinding
industrial
industry
level
machinery
manage
mechanization
mechanized
mortar
pavement
polish
polishing
power
process
professional
progress
sander
sander floor
screed
slab
spread
surface
technology
tool
trowel
work
worker
workplace