Observation

Most of the candidates were able to:
  -           Explain each of the following timber finishing materials:
 (i)         french polish;
 (ii)        retarder.

-   State four sources through which a carpenter could raise fund to open a
door making business.

 However, few of them were unable to:
-           Explain the term surface preparation as used in finishing of timber;
-           make a pictorial sketch of a brush used in painting.              
The expected response to question 8 is as given below:

8(a)      Explanation ofeach of the following timber finishing materials:

(i) French Polish: It is a spirit varnish made by dissolving shellacin methylated spirit.  It is used for coating wood surfaces by using a polishing rubber (rag and cotton).

(ii) Retarder: is a solvent added to a finishing material (lacquer) to slow down the drying rate

(b)
(i)   Surface Preparation: is a process of smoothing the surface of timber by using either smoothing plane, scraper and abrasive materials before the application of wood finishes.
(ii)   Pictorial sketch of a brush

(c)  Sources through which a carpenter could raise fund to open a door business are:

• personal savings;
• loan from friend or family members;
• soft loans from government agencies;
• loan from banks;
• sale of properties or personal shares;
• grant from donor agencies