Why are some property maintenance wages high?

Overtime costs are relatively high, and maintenance workers may have less rest time, while managers generally go to work according to normal hours without overtime pay. Because maintenance workers work more overtime, if the basic salary is slightly higher, the overtime pay will be very high. In case of national holidays, the salary is calculated at three times, which may also exceed the manager. Responsible for the inspection, maintenance and repair of public lighting and pipelines, provide paid maintenance services for the owners, manage the water and electricity meters in the community, and check the water and electricity consumption.