________________ are used in case of mortise and tenon joint.

___________________ is the simplest form of joint.

_________________ are the corner joints which are employed to connect the members at ends so as to form a corner or angu…

________________ is a semi-circular projection which is formed on the edges of surfaces of wood.

____________________ gas overestimates the rate of breathing and it is thus responsible for increasing the intake of oth…

The ______ is a bad conductor of heat and it is also non-combustible building material.

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

The hazard due to fire spread into a building through the open air is known as__________