Power-related operations in the creation or production. Repair, adjust or install devices for the electrical circuit with security to meet the needs of human beings in daily life
. Electrical work is important for the life of human beings. :
1. Electrical work in creating tools that provide heat energy. Power light power machinery that is essential to human life in the present as well, such as water heaters, air conditioning. Fluorescent Elevator Escalator
Etc.
2. electrical system helping to improve communications, such as telephone, TV, radio, progress
3 trains, etc. Electrical help develop the production system of the industrial
.
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