機器
biology
chemical
concept
control
danger
dengue
disease
disinfection
epidemic
equipment
exterminator
fever
fire
fogging
fumigate
fumigation
health
hemorrhagic
illness
illustration
insect
insecticide
man
medical
medicine
mosquito
mosquitoes
nature
person
pest
pesticide
poison
prevent
prevention
protect
protection
pyrethroids
service
shock
smoke
spray
summer
syndrome
toxic
virus
white
work
worker