Question

Collect information about the substances using to reduce the action in different
machines and prepare a report on it
(5-6substances)​

Answer 1

Answer:

1. Adding lubricants to machinery parts.

2. Using roller type ball bearings.

3. Using air pressure to separate moving parts. 4. Using magnetic repulsion to separate moving parts.

5. Using materials that tend to slide easily over each other.

6. Regulate the temperature of the machine.

7. The use of drive shafts.

Explanation:

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