Lumber (timber) that is planed or jointed on all sides. Typically marked S4S. In Britian, known as Dressed all round (DAR). Lumber is also sold S2S (surfaced two sides with both edges rough), or S2S...
A brassiere or bra is an item of women's underwear consisting of two cups totally or partially covering the breasts for support and modesty. In addition to the connection of the cups it has usually...
Abrasion test for fabric.. Fabric is pulled taut and rubbed in both the warp and filling directions, using a piece of cotton duck fabric as the abradant. The number of cycles, or double rubs, endured...
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...
A tissue paper made without chemicals that would destroy the fabric fibers. Air erasable pen - A type of temporary marking pen which usually disappears within forty-eight hours. Album quilts -...