For Questions 16-20, please mark by observation and/or asking.
18. What is the major material used for the construction of the ceiling of the housing unit?
Question 18:- What is the major material used for the construction of the major part of the ceiling of the housing unit?
In this question the material with which the ceiling of the housing unit is mostly built is asked and the correct code among the given alternatives is marked. If the ceiling is made of more than one item, the item constituting the largest part should be taken. However, if all or most of the rooms of the housing unit do not have a ceiling code one shall be marked. If the item with which the ceiling is made of is other than the ones listed, code 9 shall be marked.