1. Instructions of Electrical engineering equipment in laboratory.

2. 1. Select drill appropriately for your jobs. 2. Handle your job firmly when drilling. 3. Use to bubricant when drill friction. 4. Keep bubricant after use. 5. Always remove plug after use.

3. Instructions of Electrical engineering equipment in laboratory. 1. Do not put the soldering iron on the table, should be put on the soldering placed. 2. Do not rid the lead while plumbing. 3. Do not josh while soldering. 4. Use the fan together with soldering for not breathing toxin. 5.Always remove plug after use. 6.Warning, the soldering iron has high temperature.

4. Instructions of Electrical engineering equipment in laboratory. 1.Should be used to measure webform,signal, voltage and current. 2. Probe should be removed carefully and Osilloscope should be used with caution.

5. Instructions of Electrical engineering equipment in laboratory. 1.Connect multimeter across the points that you want to measure voltage. 2.Connect multimeter series to the points that you want to measure current. 3.Choose multimeter perfectly to your laboratory, beware of rated voltage and rated current,. 4. If the screen become obscure, change battery immediately. 5. Turn off multimeter every time after use.

6. Instructions of Electrical engineering equipment in laboratory. 1.Choose tools and material perfectly to your project. 2.Keep it neatly after use.

7. Instructions of Electrical engineering equipment in laboratory. 1.Project the light beam perpendicularly to the motor’s shaft. 2. If the screen become obscure, change battery immediately. 3. Turn off tachometer every time after use.

8. Instructions of Electrical engineering equipment in laboratory. 1.Do not use lux meter with the sun. 2.Turn off lux meter every time after use.

9. Instructions of Electrical engineering equipment in laboratory. 1.slightly Adjust Variable ac supply from zero voltage to your voltage. 2.Adjust variable ac supply to zero voltage every time before turning off it.

10. Instructions of Electrical engineering equipment in laboratory. 1.Wear the shoes that cover all of your feet. 2.Button up every button of your laboratory cloth. 3.Wear only long pants. 4.For women, gather your hair together neatly. 5.Eye protection is required. 6.Laboratory circuit must be checked by staff every time before starting generator. 7.Follow to your laboratory sheet,step by step,.