The exercise is to decide whether the question accepts the proposed suggestion as a correct answer. If yes, write "True", otherwise write "False".
Question: how long is a flat membrane roof good for?
Suggestion: The tar coating is applied in one or more coats as a hot liquid, heated in a tar kettle , or as sheets of tar impregnated 'paper' glued down and sealed together at joints by hot tar - once it has cooled, the gravel is spread evenly over it.
