②→ Air conditioners come with __.
untouched
feather touch digital controls
untouchable

③→ Air conditioners help reduce __ to extreme heat.
impose
exposure
accessories

④→ Air conditioners are useful to prevent a __.
hot
boiling
heatstroke

⑤→ LoQuacious English School in Nagoya will be __ the AC soon.
use
utilizing
useful

⑥→ Air conditioners __ carbon dioxide.
admit
emit
commit

⑦→ Many employers are trying to __ the use of air conditioners.
cut down
cut up
limited

⑧→ __ is much more efficient when air conditioners are employed.
Work productivity
Work product
Products

⑨→ __ an air conditioner is quite expensive.
Remove
Put
Installing

⑩→ Air conditioners have a __ up to 3 years.
warrant
warranty
unwarranted