: Use a subtle gesture or thumbs-up for encouragement.
: If water isn't circulating (e.g., in a pool or heater), prime the pump by filling the housing with water or clearing debris from the impeller. 3. In Libraries and Collections
Circulating Collections - Exhibitions at Penn Libraries - Guides
Circulating File
: Use a subtle gesture or thumbs-up for encouragement.
: If water isn't circulating (e.g., in a pool or heater), prime the pump by filling the housing with water or clearing debris from the impeller. 3. In Libraries and Collections Circulating
Circulating Collections - Exhibitions at Penn Libraries - Guides : Use a subtle gesture or thumbs-up for encouragement