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.
An SIS is similar to the transvaginal ultrasound thatâs often performed, but with one added step: Salt water is used to hold the walls of the uterus apart, so any irregularities can be seen more clearly. An SIS can show whether there are any polyps extending inside the uterus, or any fibroids pressing on the lining.