Once upon a time, not so many years ago, it was easy for any amateur to repair leaking faucets. The job could be done with a screwdriver and a wrench. All you needed to do was replace an inexpensive ...
Cartridge faucets use up-and-down motion to regulate water flow and left-right motion to control temperature, their makers say. A faucet with two handles turning 90 degrees can be a cartridge faucet.