1. Are you tired? It's a kind of manual labor, most people can do it. It's all about getting more for more work. They can adjust themselves and rest when they are tired. Absolutely not suitable for those mobile phones that never leave their hands to brush Tik Tok and Aauto Quicker.

2. salary? It's different in different places. It's easy to clean 5 in Shenzhen. Different household appliances have seasonality, so it's best to master the cleaning of more kinds of household appliances, such as air conditioners (which are divided into many kinds), range hoods, washing machines, water heaters and refrigerators.

3. technology? Novices still need to learn from the master for about half a month. After they are familiar with the machine, they can also learn some maintenance techniques, which depends on the foundation and interest.

4. Generally speaking, the threshold is not high, the technical content is not high, mainly physical strength, which is a good livelihood for those with low academic qualifications, who can work or work alone.