DUNLOP FACTORY MAKING TYRES AND CYCLES - SOUND

The video tutorial explains the significance of rubber in the country's prosperity, highlighting its discovery and the vulcanization process. It details the stages of rubber processing, including mastication and mixing with corn, leading to the formation of tyres. The tutorial covers the shaping, molding, and finalizing of tyres, including tread application and finishing touches. It concludes with quality testing and wrapping of the tyres, ensuring they are ready for use.

What was the key development that made rubber valuable?

• The use of rubber in clothing

• Its initial discovery

• The invention of the wheel

• The process of vulcanization

What is combined with rubber to form the tyre structure?

• Plastic

• Corn

• Metal

• Wood

How is the tyre kept rigid before moulding?

• By inserting a tube and inflating it

• By heating it

• By freezing it

• By compressing it

What is used to apply the tread to the tyre?

• A rolling pin

• A hammer

• A mighty press

• A sewing machine

How is the quality of the tyre tested?

• By visual inspection

• By weighing it

• By measuring its diameter

• By testing it to destruction