WoodWork 2, WASSCE (PC), 2016

Question 2

 

(a)(i)         Name a suitable adhesive for bonding a plastic laminate to the top of a box                                                
  (ii)        Describe the procedure for bonding a plastic laminate to the top of a box.

  (b)       State two advantages of plastics over solid wood.

Observation

 

  Most candidates who attempted this question performed poorly.

  The solutions to the questions are stated as follows:

  (A) (I)    A suitable adhesive for bonding a plastic laminate

  -  contact glue/cement/adhesive
OR
-   impact/cement/adhesive.

   (II)        Procedure for bonding a plastic laminate to a box top

-           cut plastic laminate to size;

-           clean both surfaces;
-           scratch both surfaces;
-           apply glue to both surfaces;
-           allow the glue to dry;
-           put stickers or paper on the box surface;
-           lay the two surfaces in position;
-           remove the stickers or paper in the middle;
-           press the two surfaces together from middle to outside;
-           dress the sides of the work.

 

(B)       Advantages of plastics over solid wood

  Plastics:
-           are more resistant to water;
-           are more resistant to heat;
-           are available in greater variety of colours;
-           are better electrical insulators;
-           are easier to clean;
-           are more resistant to abrasive wear;
-           are more resistant to stains;
-           are more resistant to weather;
-           are more stable;
-           do not require additional finishing.