"There's no fusing at the edge or evidence of friction heat," Flattery said.

The pipeline is very heavily insulated, and the oil passing through the pipe generates friction heat.

Making the wraps slide when the hitch is under tension will create friction heat on the rope and the knot.

And when they are shaken very vigorously for a prolonged period, the lead pellet in them also develops friction heat in moving rapidly.

The friction heat had built up, the dust from the cut was not being washed away - and in consequence the rod had jammed.

Individual drops burst into streaks of steam, vaporised by the friction heat of the craft's Mach five velocity.

Feeling the spoon in his hands, the friction heat building up in its stem.

It's easy to strike a spark, or even set it off from simple friction heat, especially during the grinding process.

The Cube's hull, protected to resist the cold of interplanetary space and the friction heat of atmos- pheric passage, withstood the brief, intense blast.

The Planetologist could feel friction heat rising from beneath, and he tried to imagine what awesome chemical fires formed a furnace deep within the worm itself.