Q1. List out all the categorization of timber? prepare down some of the reasons and methods for the preservation of timber.
Q2. Sketch the joinery details of doors, windows and the timber stair-case.
Q3. Describe the properties of lime and its categorization.
Q4. Describe about mix proportions and the functions of lime mortar.
Q5. Describe about the manufacture and treatment of the glass.
Q6. describe about the different special kinds of glass and its applications in the building industry.