To be continually changing or varying in an irregular way.
Passageway by which byproducts from combustion leave a chimney.
Heat resistant lining, usually of fire clay or terra cotta pipe,
used for the inner lining of chimneys. Airtight conduit
constructed within a chimney using fireproof materials to carry
away combustion gases and smoke occurring in a furnace or
firebox. Substance that flows and changes shape. Technological
application of fluids to perform functions, such as controlling
mechanisms using hydraulic pressure and flow. Fluid Mechanics
Science governing the behavior of fluids. Fluid volume measure
which equals 1/32 quart. 1. Narrow ravine with a stream of water
running through it. 2. An artificial channel serving as a chute
for carrying water to furnish power or to transport items.
Ability of a material to emit radiation, visible or invisible,
upon receipt of certain stimulation such as ultra-violet rays or
x-rays. A glass tube coated on the inside with a fluorescent
substance that gives off ligh