Don't forget to leave a good check hole when decorating these places.

Update:Mar 29,2024
Summary:Don't forget to leave a good check hole when decorating these places:  Sewer manhole Central air conditioning access port Inspection port of flue no......
Don't forget to leave a good check hole when decorating these places:
 
Sewer manhole Central air conditioning access port Inspection port of flue non-return valve Embedded bathtub access panel