Pointer type multimeter structure and how to use it

1. Structure of the pointer multimeter (l) The header is a high-sensitivity magneto-electric DC ammeter. The main performance of the multimeter depends on the performance of the meter. The sensitivity of the meter head refers to the value of the DC current flowing through the meter head when the .....

Mahogany furniture scar repair

【Abstract】 Nowadays, more and more people are purchasing mahogany furniture. What should I do if a set of tens of thousands or even hundreds of thousands of high-grade mahogany furniture presents scars? Such expensive mahogany furniture can not be treated with care, so how can we corre.....