Evaporating with hot plates is preferred to burners because: even hard glass beakers crack when heated by a burner.
(Evaporating with hot plates; is preferred; to burners; because: even hard glass beakers crack when heated by a burner) (even hard glass beakers; crack; T:when heated by a burner)
Evaporating with hot plates even hard glass beakers
is preferred crack
to burners because: even hard glass beakers crack when heated by a burner
T:when heated by a burner