The Paperwork Reduction Act (PRA), enacted in 1980 and revised upon its reauthorization in 1986 and 1995, created the Office of Information and Regulatory Affairs (OIRA) within the Office of Management and Budget (OMB) to oversee information policy within the executive branch.
Learner's definition of BLEACHERS. [plural] US. : a set of benches arranged like steps for people to sit on while they are watching a sporting event or performance. stadium bleachers.
A bleaching agent is a substance that can whiten or decolorize other substances. Colored substances generally contain groups of atoms, called chromophores, that can absorb visible light having specific, characteristic wavelengths, and reflect or transmit the part of light that is not absorbed. bleaching agent is a substance that can whiten or decolorize other substances. Colored substances generally contain groups of atoms, called chromophores, that can absorb visible light having specific, characteristic wavelengths, and reflect or transmit the part of light that is not absorbed.