Cleaning & Quality Systems

Cleaning & Quality Systems
There are many ways to ensure that cleaning is effective and that quality standards are maintained. The following are examples of how this may be achieved. Select three from the below list and explain why they are appropriate:
Training & Staff development
Mystery Guests
Quality Assurance Schemes
Cleaning Specifications
Effective Supervision
Checklists
Guest Surveys

Please describe:
a. How they work
b. Their advantages and disadvantages