Machines with many valves were known to break a lot.

That wouldn't have anything to do with rods or valves.

One could control the flow of the water with valves provided by the sets.

His voice sounded like a '54 Chevy with bad valves.

They should have reacted pretty quickly - it was only a problem with valves, a simple technical matter.

By the 1830s the modern horn with three valves had been invented.

The fruit is a capsule with 3 to 5 valves.

It was based upon the K100 engine, but now with four valves per cylinder.

It has been described as being a bugle with valves.

But the main problem with valves, especially stopvalves, is that they stick open.