英文關鍵字
adult
architect
architecture
back
beard
beginnings
builder
building
business
caucasian
colleague
communication
construction
contractor
designer
discussing
discussion
employment
engineer
engineering
estate
foreman
hardhat
helmet
industry
job
male
man
manager
muscle
occupation
outdoors
partners
person
professional
project
safety
site
spinal
students
tablet
talking
team
work
worker