The density of a material divided by the density of water. Expressed as a number greater than 0. Materials with specific gravity less than 1.00 will float and materials with specific gravity greater...
The quantity of heat absorbed or released by a substance undergoing a change of state, such as ice changing to water or water to steam, at constant temperature and pressure. When a solid material is...
The Super grading system is used to grade the quality of wool fabric. The higher the number, the more yarn is packed in per square inch, therefore all things being equal a super 120s yarn is better...
Small, slender piece of steel with a hole for thread and a point for stitching fabric. Machine embroidery needles come in sharp-points for piercing heavy, tightly woven fabric; ball-points, which...
A diving suit is an important clothing or device designed to protect divers from the underwater environment. Modern diving suits can be divided into two kinds depending on ambient pressure used for...