How jacks work

How jacks work

Reading: There are car owners of friends, some of the superb technology will repair their own problems, their own tires will use jacks, of course, the safest way is to go

Japanese LED forces are in a dark battle


Tokyo is an international metropolis, but the LightingJapan 2014 (hereinafter referred to as the Japan Lighting Exhibition) held here makes people feel that Japan is becoming more and more closed. In order to monopolize the Japanese market, Japan's major traditional lighting giants are

Introduction to the gear puller


Gear type intramedullary needle extractor physical picture 2 use method Under the anesthesia, the patient exposes the top end of the femoral greater trochanter and the intramedullary needle tail hole. The surgeon holds the handle of the extractor and presses the fulcrum fixed cap on the to

Three points for preparing soil samples

Three points for preparing soil samples

The first step in soil analysis is to collect soil samples. The quality of soil samples determines the accuracy of soil analysis results. Aluminum boxes, ring knives, and soil grinders are all essential equipments for preparing soil