英文關鍵字
background
black
close-up
color
concept
construction
industry
covering
design
device
ear
protectors
ears
equipment
head
headgear
headphone
headphones
headset
health
healthy
lifestyle
hearing
heavy
industrial
isolated
listen
loud
manufactured
object
modern
people
noise
plastic
prevention
professional
protection
protective
red
safety
security
set
sound
studio
technology
tool
volume
work
protect