The threshold of ass sniffing is not low, and the entry conditions are between 18-45 years old. No smoking, no drinking, no makeup, no rhinitis, or even wearing freshly polished shoes.
There is no disease in the olfactory organs, and the olfactory detection is qualified. After special training, candidates can distinguish five kinds of single gases: floral, sweaty, sweet crispy, ripe fruit and dung, and then they can go to work.
Background of sniffer:
Odor is widely produced in industrial and agricultural production, urban sewage, sludge treatment and garbage treatment. Many malodorous substances will endanger people's health and even life.
In recent years, with the increasing awareness of indoor environmental protection, people are eager to have a safe, comfortable and healthy living space.
3. Therefore, monitoring the odor pollution in the environment and the odor pollution caused by sewage discharge and garbage disposal has become an indispensable industry in people's lives.
4. Because there are many kinds of malodorous substances, especially mixed with many smells, some instruments can't identify them, so it is necessary to judge their impact on the environment and pollution degree through people's sense of smell. The identification of odor gave birth to a new profession-sniffer.
Baidu Encyclopedia-Sniffer
Baidu Encyclopedia-Sniffer