WILLIAM FITTINGS--Marked with a black W,
these fittings are kept open during all material
conditions. WILLIAM fittings are secured only as
areas by the natural action of the environment,
especially wind and rain.
and to make repairs to the equipment served.
WEDGE--A block, triangular on the sides and
YIELD--The energy released in a nuclear explosion
rectangular on the butt end.
stated in terms of the tonnage of TNT required to
WEIGHT--If you know the volume of an object and
release an equivalent amount of energy.
the density of the material, the weight of the object
is found by multiplying the volume by the density.
The formula for this is as follows: W = V x D
(weight = volume times density).