X-ray, is actually describing the ray used, which is X or roentgen ray, named X by the man who discovered it. He called it X because it was unkown. It is a wave of photons. Check out the research -- it is interesting.-ray, is actually describing the ray used, which is X or roentgen ray, named X by the man who discovered it. He called it X because it was unkown. It is a wave of photons. Check out the research -- it is interesting.
1 CALEA Accreditation is a means for developing or improving upon an agencyâs relationship with the community. 2  CALEA Accreditation strengthens an agencyâs accountability, both within the agency and the community, through a continuum of standards that clearly define authority, performance, and responsibilities.
Envirocareâs ISO 17025, UKAS and MCERTS accreditations demonstrate that our expert services comply with Health & Safety best practice and are competent to deliver a consistently dependable, unbiased and accurate service.he Source Testing Association (STA) is a non-profit making technical trade association which was established in 1995 and has a corporate membership of over 200 companies from process operators, regulators, equipment suppliers and test laboratories.