Which tool can help a driver prevent accidents?
speedometer lamphreys gas meter safe driving weater safe operation the cervix potassium
A B C D E F G H
Excessive speed is a factor in many accidents.
A speedometer can help prevent accidents. 
Which tool can help a driver prevent accidents? (A) speedometer (B) lamphreys (C) gas meter (D) safe driving (E) weater (F) safe operation (G) the cervix (H) potassium