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.
Sisal fibers are made of 65% cellulose, 12% Hemicellulose, 9.9% Lignin, and 2% Waxes. Sisal fibers can be available as plaid, herringbone, or twill. The fibers have good sound and impact absorbing properties.