A car manufacturing company has decided to replace the steels wheels of a family car with aluminum (Al) alloy wheels. You are in charge of a company that is assigned to manufacture 100,000 alloy wheels per year, which includes the manufacturing process.

i. Propose with justification, ONE (1) suitable manufacturing process to fabricate the Al alloy wheels.

ii. Suggest with explanation, ONE (1) post fabrication treatment that required for the Al alloys wheels produced using process in b (i).

iii. Suggest with explanation, ONE (1) finishing process that required after the fabrication process of alloy wheels.