Plant food should be located in a clean environment. Not as a source of microorganisms and toxic material and breeding of rats and insects will cause contamination inside the building and canteen selling food should be designed in such a way that can prevent dust and animal carriers and an easy to clean as well as it should be a good ventilation system. Bathrooms should be excluded from shops and dining area proportion. Inside the bathroom should have good ventilation and clean regularly. Canteens should provide a bath with a standard faucet and SOAP to wash hands before and after the service, dining. And after leaving the toilet, waste management, wastewater, food and debris inside the cafeteria must be efficient so that sewage from those at the cafeteria and soon cause pollution to the environment.1.1 location Plant food should be located in an area which is far from patikun sources, such as sewage ponds litter area. Just waiting for the cafeteria, there are no dripping water to dirt, and there are no trees on the placenta as well as there are no devices, and things that do not relate to the canteen area and khon to pollution-free from dust, smoke and chemicals.
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