Quality assurance comprises administrative and procedural activities implemented in a quality system so that requirements and goals for a product, service or activity will be fulfilled.
Sisal (/ËsaÉªsÉl/ , [siËsal]), with the botanical name Agave sisalana, is a species of Agave native to southern Mexico but widely cultivated and naturalized in many other countries.t is sometimes referred to as sisal hemp, because for centuries hemp was a major source for fibre, and other fibre sources were named after it.
Modal is specific kind of rayon or viscose yarn/fabric. Viscose is cellulose fibre, made from reconstituted pulp of wood ships. Most viscose is made from bamboo pulp as that is fastest growing tree. However Modal is special in that it is made from beech wood tree pulp.