相似主題
英文關鍵字
close up
business
equipment
metal
action
light
danger
steel
industrial
technology
cut
line
machine
modern
industry
working
flat
work
tool
burn
fire
flame
heat
treatment
production
manufacturing
iron
Precision
sheet
engineering
automobile
manufacture
mechanical
bench
factory
automated
spark
machinery
laser
blaze
processing
plasma
engraving
metalwork
workpiece
machining
slow motion
slo mo
slow mo
metal cutting