GREASE NIPLE and WHAT DO YOU TINK THESE DEVICES ARE USED FOR?

GREASE NIPLE
- It is a simple device for greasing and lubricating parts whit friction.
-It is a part of the axles for greasing but not broken it.

WHAT DO YOU TINK THESE DEVICES ARE USED FOR?

1) I think it is an object for cutting.
2) I think it is a device for measuring your heartbeat underwater.
3) I think it is electronic instrument for measuring airflow.
4) I think it is a device for measuring the lean angle.
5) I think it is a tool for loosening and tightening the nuts a different sizes.

WHY DO WE WASH...?

1) Why do we have a cooling system in an engine?
- To keep the constant temperature.

2) Why do tyres have a thread?
- To...

3)Why do vehicles carry a spare tyre?
- To change and push it but puncture.

4) Why do traffic police wear a safety vest?
- To have visibility respect the others vehicles.

5) Why do cam profile affect RPM´S?
- To open more the large of valve.

OIL CHANGE.

1- First the engine is run for a few minuts.
2- Then it is switched off.
3- Now the oil drain plug is taken off.
4- The old oil is emptyed into a container.
5- The oil drain plug is put on.
6- The oil filler cap is taken off.
7- The new oil is poured.
8- The oil filler cap is puted back on.

COMPARISON. PETROL VS DIESEL.

The car petrol is light than oil engine.
The car petrol is fast than oil engine.
The car petrol is simple than oil engine.
The car petrol is dear than oil engine.
The car petrol is expensive than oil engine.

The oil engine is cheap than car petrol.
The oil engine is bigger than car petrol.
The oil engine is noisy than car petrol.
The oil engine is less simple than car petrol.
The oil engine is heavy than car petrol.

Petrol engines are lighter than oil engines.
Petrol engines are quieter than oil engines.

Oil engines are more economical than petrol engines.
Oil engines are less simple than petrol engines.