英文關鍵字
athlete
blade
boot
closeup
cold
edge
equipment
figure
fire
grinder
grinding
hockey
ice
indoor
industrial
machine
master
metal
prepare
repair
retail
season
service
sharp
sharpen
sharpened
sharpener
sharpening
shop
skate
skates
skating
sparks
sporting
sports
stone
store
tool
winter
workplace