fiberglass are supplied in different physical forms: microspheres, chopped or woven. unlike glass fibers used for insulation, for the final structure to be strong, the fiber's surfaces must be almost entirely free of defects, as this permits the fibers to reach gigapascal tensile strengths . if a bulk...
example the molecules of the fibre. this is discussed below and examples are given throughout the unit. the coloration of textiles the chemical nature of a dye is determined by the chemical and physical properties of the fibres of the textile to be coloured. the four main types of fibres (table ) are...
viet nam and bangladesh continue to co-operate and support each other in regional and international forums. quang also asked for bangladesh's support in viet nam's bid for non- permanent member status at the un security council for the period of - as well as viet nam's candidacy for the post of unesco...