- Introduction Solar cells function by converting solar light energy into electricity. It functions on the basis of the photovoltaic effect. “Photo” stands for light and “voltaic” means electricity (light–electricity). A solar cell is capable of providing DC current. This DC current can be used to light bulbs and power DC motors. Rechargeable batteries also use this DC current, which can be utilized later on when the sun is not available. Also, these batteries, when fully charged, are portable and can be used wherever and whenever you want them (De Vos, 1980). Solar cells are comparable ...
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Fundamental of occupational safety
Safety and occupational health professionals are committed to improve the safety and health conditions at workplaces and they do not carry out managerial functions. Safety and occupational health professionals have the power to identify the hazards at the workplace and the power is exercised by carrying out inspections and they should be taken once per month. The safety and occupational health professionals are entitled to the information that regards materials, processes and equipment that are hazardous. Safety and health professionals have the right to be consulted before any testing is undertaken and they should be present at the start ...