clogging

The mussels can compromise water delivery systems by encrusting screens and filters, attaching to the walls of large pipelines, and clogging smaller pipes.

Magistrates in England and Wales will be able to jail offenders for up to 12 months from November to stop cases clogging up crown courts.

In a conventional electrolyser, bubbles in the water can be clingy and stick to the electrodes, clogging up the process and leading to energy loss.

But the POA's national chairman told BBC Radio 4's Broadcasting House on Sunday prgramme, this risks "clogging up prison cells".

They’re notorious for clogging equipment.