機器
background
blade
bulgarian
circle
circular
closeup
construction
constructor
cut
cutting
disk
electric
engineering
equipment
fire
flash
grind
grinder
hand
industrial
industry
iron
machinery
man
manual
manufacturing
mechanic
metal
metalwork
occupation
part
power
production
repairing
repairman
round
saw
sawing
spark
speed
steel
technical
technology
tool
wheel
work
worker
workshop