英文關鍵字
garden
hose
polymer
material
industry
goods
conveyor
belt
wheel
bottle
polyester
resin
bag
container
industrial
production
polyurethane
elastomer
polybutadiene
thermoset
natural
rubber
silicone
silicon
polyimides
vulcanized
teflon
ptfe
thermoplastic
polyvinyl
chloride
polystyrene
nylon
polypropylene
polyethylene
acrylic
polycarbonate
polylactic
acid
pla
canister
icon
motion
animation
hd
animated