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There are many stores do dry clothes on the streets and corners in HCMC. And habit for expensive clothes, perishable materials in the store also not less. So, you know as well as offline sources stupid question posed by this.
The introduction of dry cleaning shop in 1855 in the dying man named Jean Baptiste (France). According to the narrative, the day that the maid accidentally spilled kerosene (kerosene) on a white tablecloth. 60s fashion After cleaning is finished, he saw Jean white cloth and cleaner. Learn, he said it was because of inadvertent door maid. Then he studied the chemical dry. Dry Cleaning Chemicals
Over time, in order to lessen the toxicity of these two categories, as well as more efficient. It uses synthetic chemicals tetrachlorethylene or perchlorethylene (PERC). This substance is used in the dry lot of garments, fabrics and degreasing of metal on the instrument. Under normal temperature, liquid PERC not catch fire but also very volatile and mixed in the air. A higher temperature, the stronger evaporation and create an unpleasant smell like ether. This chemical 60s fashion environmental intrusion by evaporation in air when used in industry or leach into the soil and water loss from the washing machine or from container. Previously, 60s fashion the dry cleaners dry for discharge of dirty water from the washing machine to the local sewer system.
In the United States are infected with PERC. Each year 200 million pounds including nearly 35,000 PERC dry cleaners in the United States 60s fashion that use a large number of air mixed in as well as land and water around some household materials such as liquid PERC also impermeable spray water on wood (Water Repellent), chemical stain removers, tape, wood cleaning chemicals.
In medicine, PERC is used as an anesthetic surgery patients because it makes the patient unconscious. We can measure the amount of PERC vapor in the breath, as measured in the intoxicating whiff. Under Security Administration Occupation United States (NIOSH), about 650,000 workers access to the chemical profession in the United States in dry laundry. PERC can enter the body by inhalation and through the skin. The number of chemical penetration depending on the time we reach them, more or less chemicals in the air we breathe fast or slow, strong or weak air pollution in the PERC. From the body, most chemicals emitted by inhalation and a small number in the urine.
When used properly, PERC relatively 60s fashion safe. However, this chemical is also likely to cause a risk to health. Negative effects of PERC common were headache, dizziness, nausea, debilitating central nervous system, damage to the liver, kidney, ... Professionals C Rotilio has raised the case of a female laundry worker reduced vision due to breathe a little too long when she PERC ironing laundry 60s fashion with PERC. Author TL Vaughn has seen the consequences of PERC with oral cancer, throat. It has long been regarded as PERC carcinogenic to animals and new chemicals have been classified as a possible carcinogen to humans.
PERC is the boss in group 2B, that is capable 60s fashion of causing cancer 60s fashion in humans. Drinking 60s fashion water contaminated with PERC was found in leukemia, pancreas, cervix, and bladder. PERC also negatively affect the fertility and menstruation of women. Many studies have shown that women do in the dry cleaners have a greater chance of miscarriage. PERC also spread to milk me.Ngoai negatively affect the health of workers in the cleaning, PERC also carry risks for people living near the laundromat, as well as the surrounding environment. Therefore, many countries have enacted measures to mitigate these risks. According to the Centers for Disease Control (CDC), 75% of the national population g