Question

(4) The structure of a complex machine is compe
(5) Machines should be Maintain properly to keep them in good working condition.
9. 3. Which machines will you use to do the following work? Write their types.
Type of a machine
Work
Machine​

Answer 1

Explanation:

4.A simple machine is a tool or device made up of one basic machine and a Complex Machine - is a system in which simple machines all work together, parts of a complex machine that have just one function are called subsystems and often contain a simple machine. eg. Car or a bicycle.

5.Read the Manual. When it comes to the proper care of any piece of machinery, there is no insight like what you get from reading the manual.

Ban Drinks Near Equipment.

Handle Machines with Care.

Don't Muscle Wires.

Ensure Proper Lubrication

9.3.

The machines used to: a. To remove the lid of a tin- is a can opener; lever type machine

Hope it helps you