Tentamen (uitwerkingen)
Certified Pool Operator Test Review(2023)
- Vak
- Instelling
Certified Pool Operator Test Review(2023) 12 Reasons why the health inspector will close your pool - CORRECT ANSWER-1. pump filter not working for more than an hour 2. main drain is not visible 3. chemical readings out of range 4. no pool operator (15 minute grace period) 5. no lifeguard ...
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