機器
accuracy
business
calibrate
caliper
centimeter
closeup
construction
craft
deformed bars steel
digital
display
engineer
engineering
equipment
exactly
gauge
grunge
improvement
inches
industrial
industry
instrument
iron
length
macro
measure
measurement
mechanic
mechanical
metal
metallic
meter
metre
micrometer
millimeter
number
nut
old
part
precise
precision
rule
ruler
scale
schubler
science
silver
slide
stainless
steel
technical
technique
technology
tool
vernier
work