The hazard with concerns damage or destruction of building itself is known as the __________

________________ gas hampers oxygen from reaching the brain.

______________ joint is used to connect members of bigger sizes.

The length of a spike is _____

___________ is a term which is used to indicate the sinking of edge of one piece of timber into another.

______________ are the pieces of wrought iron or steel and these are driven into the member to be connected using hammer…

__________ is a poor conductor of heat and the cracks are formed in this material when heated and then suddenly cooled.

______________ is a non combustible building material, but it is a good conductor of heat and hence, it is rapidly heate…