How to perform umbrella inspection?
How to perform the umbrella inspection? An umbrella usually consists of umbrella cover, umbrella shaft, umbrella handle, and umbrella case. The details of umbrella parts are as the drawing. umbrella inspection But how should we perform an umbrella inspection? Firstly, we should check its size. Size measurement check includes umbrella diameter, total length of umbrella and rib length. Check more sizes if precise requirements on specification. Usually the tolerance is +/-1 cm if it is not specified at the specification. Secondly, you need to test...