On the last Friday of March 1979, a technician removed a clogged filter while drying machines were temporarily turned off.

In automotive applications, a clogged filter in a hydraulic system (power steering, power brakes) can cause suction cavitation making a noise that rises and falls in synch with engine RPM.

There wasn't much wrong with the furnace - just a clogged filter - but he said it needed a part and he could get it working but he'd be back and do the job right.

Such switches are useful when the difference is significant, for exmple, to detect a clogged filter in a water supply system.

With greater water content, there will be a risk of microbial growth - depending on the storage conditions, the fuel quality will deteriorate over time, leading to clogged filters and loss of productivity.

A clogged filter will obstruct proper air circulation and impede operating efficiency.

The ammonia level in the tank rose dangerously one week in late March, until Saci Ramnarine, 13, cleaned out the clogged filter.

This output cannot be maintained in races because it may cause a clogged particulate filter.

A clogged filter can cost a mile per gallon, and that totes up to more than $28 a year.

And the oddly quaint phrase squeezed out like dust through a clogged filter.