12
Aug

What is a caulking gun?

The caulking gun is a simple mechanical device that uses the principle of leverage. It can be used i...

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04
Aug

How to use a grease gun?

1. How to use the grease gun: Pull up the tail spring lever, rotate the lever handle, and fix the po...

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29
Jul

How the fuel pump works

How the fuel pump works: 1. The working principle of the electric fuel pump is the same as that of t...

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22
Jul

Grease Gun User Guide

The working principle of the grease gun is roughly the same, but according to the power source of th...

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