英文關鍵字
break
occupation
package
people
person
plastic
polymer
polymers
process
processing
mechanics
producer
research
sample
strength
string
structure
tape
technical
technology
tensile
production
material
manufacturing
machinery
closeup
development
device
electronics
engineering
equipment
fabric
factory
female
finger
hand
hardware
industrial
industry
innovation
instrument
lab
laboratory
machine
woman
work