background
blade
bolt
closeup
concept
craft
cut
device
emery
equipment
fabric
fabrication
form
friction
glove
grind
grinder
heavy
industrial
industry
iron
knife
manufacture
manufacturing
master
metal
people
power
process
production
profession
professional
sandpaper
sharpen
sharpener
sharpening
sparkle
sparks
steel
stone
table
tool
tradition
traditional
wheel
work
workshop