機器
bar
barcode
binary
business
buy
cashier
checkout
code
commerce
computer
data
device
digital
electronic
equipment
flat
hand
handheld
icons
industry
inventory
isolated
label
laser
line
market
merchandise
mobile
number
operator
optical
package
packaging
phone
price
product
qr
reader
retail
scan
scanner
sensor
set
shop
shopping
spyware
store
supermarket
technology