Pump priming and Upkeep

Pump priming noun - Introducing water into a pump to improve the seal and start the water flowing.

Upkeep and pump priming are semantically related. In some cases you can use "Upkeep" instead a noun phrase "Pump priming".

Upkeep noun - The act or activity of keeping something in an existing and usually satisfactory condition.

Pump priming and upkeep are semantically related. Sometimes you can replace phrase "Pump priming" with "Upkeep", this terms are similar.