What are the six factors that affect the cleaning effect when using materials for property cleaning?

Personally, I think it is: 1. The choice of cleaning tools, different tools in different places, good tools, get twice the result with half the effort; 2. When using cleaning agent, the cleaning agent must be adjusted before operation; 3. Limited time, tight time and low efficiency may affect the effect; 4. How can the cleaning staff operate well if they are not familiar with the operation method? 5. Management factors of property cleaning company; 6. Evaluation of cleaning effect