Respuesta :
The level of involvement that food workers have in executing a master cleaning schedule is mandatory.
- A master cleaning schedule simply has to do with the cleaning of tools, equipment, etc.
- The master cleaning schedule contains what the food workers will clean, when they should clean it and how they should clean them.
It's compulsory for food workers to ensure that equipment and tools are clean.
In conclusion, the correct option is "mandatory".
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