How to use a balloon pump to inflate balloons of different sizes?
In our lives. The balloon pump can only hit the corresponding balloon when pumping up. , But some balloons in our lives are big balloons, and some are relatively small. How do we use pumps to inflate different balloons? Here, the editor will introduce a set of methods to inflate balloons.
First we take out our balloon and place it next to the pump.
Small balloons can be easily put on the narrow mouth of the pump.
Then we pressed the top of the small balloon with one hand to prevent it from falling and fix the position.
If it is a big balloon, we will first put the hole on the top of the pump, and then fix it with a rubber band.
Then we press the pump with our hands to pump up the air.
Finally, when the balloon is inflated, we fix it with a rope or tie a knot on the top.