英文關鍵字
2019-ncov
adult
airborne
anti
architect
architecture
around
asia
asian
building
business
businessman
camera
care
center
china
cnc
construction
contractor
corona
coronavirus
covid-19
disease
disposable
disposal
dust
engineer
engineering
face
factory
filter
for
health
healthy
helmet
industry
job
logistics
machine
male
man
mask
occupation
office
pathology
people
person
prevent
professional
project
protect
protection
public
safety
smoke
team
turning
virus
walking
wearing
while
work
worker
working
workplace
young