英文關鍵字
boiling
chocolate
tool
line
symbol
production
factory
industry
plant
heating
conveyor
linear
background
lined
winnowing
mixing
refining
conching
tempering
candy
temperature
business
food
technology
workshop
confectionery
preparation
prepare
machinery
automatic
dessert
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
color