a$)$ What is manufacturing?

$(2$ marks$)$

b$)$ Manufacturing systems are divided into three categories, name the categories, and briefly explain each category with the aid of examples.

$(6$ marks$)$

c$)$ List FIVE $(5)$ major applications of computers in manufacturing.

$(5$ marks$)$

d$)$ Write the item number and beside it the most suitable manufacturing process for the described task in the answer booklet provided from the list of processes below.

$(12$ marks$)$

Die Casting; Forging; Sand Casting: Injection Moulding; Sheet Extrusion; Polymer Extrusion; Drawing; Deep Drawing; Thermoforming; Blow Moulding; Die Casting; Machining or Rapid Protolyping

i$.$ Prototype gear for a timing mechanism in a car

ii$.$ Produce gear for a timing mechanism in a car

iii. A kid's hollow plastic baseball bat

iv$.$ A plastic drink cup

v$.$ A metal drink cup

vi$.$ The rubber gasket that seals your car door

vii. Plastic sheet to be made into plastic signs

viii. Plastic gears in your computer printer

ix$.$ The free weights in the gym

x$.$ Nails $($after the blanks have been made$)$

xi$.$ Cam shaft in your car.

xii. High power electrical transmission lines