The numerical value of karman in Chaldean Numerology is: 6. Pythagorean Numerology. The numerical value of karman in Pythagorean Numerology is: 4
Quality assurance (QA) is a way of preventing mistakes or defects in manufactured products and avoiding problems when delivering solutions or services to customers; which ISO 9000 defines as part of quality management focused on providing confidence that quality requirements will be fulfilled.
Bisphenol A (BPA) is an organic synthetic compound with the chemical formula (CH 3) 2 C(C 6 H 4 OH) 2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups. It is a colorless solid that is soluble in organic solvents, but poorly soluble in water.