英文關鍵字
agricultural
agriculture
bug
chemical
chemicals
cockroach
control
environmental
equipment
exterminator
flea
fleas
green
herbicide
holding
house
industry
insect
insecticide
job
kill
killer
male
man
manual
mask
nature
occupation
one
person
pesticide
pesticides
poison
poisonous
prevention
professional
protection
protective
risk
safety
service
spray
sprayer
toxic
treatment
uniform
work
worker