機器
automated
bar
bar code
bar code reader
business
checkout
code
coding
control
counter
data
delivering
delivery
device
digital
direct
electronic
employee
examining
fingers
hand
hip
horizontal
identification
identity
indoors
information
input
inventory
label
ladies
laser
logistic
manager
merchandise
mid adult
occupation
one person
operation
package
packaging
printed
product
rack
ray
reader
scanner
technology
warehouse