Question 3

(a)       State one safety practice each when using the following:

1. grinding machine;
2. forge.

(b)       (i)         Identify the welding equipment shown in figure 2 above.
                        (ii)        Name the parts labelled R and S.

1. State the function of the part labelled S.
2. Name one arc welding equipment.

(c)        (i)         State the use of a reamer.
            (ii)        state the reason why the jaws of a bench vice are serrated.