英文關鍵字
1080p
20s
adult
auto
car
caucasian
coworkers
colleagues
communication
conversation
definition
discussion
drill
engineer
expertise
garage
hd
high
highdef
hydraulic
interacting
machinist
maintenance
male
man
manual
mechanic
mixedrace
occupation
people
platform
repair
repairing
repairman
service
shop
skill
speaking
staff
talking
team
teamwork
tire
two
wear
work
worker
working
young