機器
accuracy
accurate
background
ball
bearing
blueprint
business
centimeter
closeup
construction
document
drawing
engineering
equipment
hand
inches
industrial
industry
instrument
isolated
job
macro
man
measurement
measuring
metal
metallic
meter
micrometer
millimeter
object
part
pattern
radius
rule
ruler
scale
scall
science
silver
single
steel
technical
technology
tool
trammel
white
work