Introduction
Most vulnerable to the current maid is necessary to go out outside the home occupation to increase traffic congestion to the family Council, the time required to travel a lot, so don't have the time or have less time to prepare.
Therefore, food, food hawkers, sales and success in General. So it has a vital role in daily life, Li daliang not example. Especially family in civilization is quite high, such as Bangkok.
Food hawker stalls are generally sold in containers not closed entirely. The contaminants. It also has a microscopic infections may also have a heavy metal and organic mixed stain on with raw materials in preparation. Or dust in the air, so the building to analyze food samples hawker stalls in Bangkok. To analyze the concentration of heavy metals such as lead, because lead toxicity to body system Gan is relatively high. Because the lead cause anemia and affect the nervous system, if the accumulated much may cause paralysis.