Protractor on the dial from 180°, as the dial is graduated from opposite zero marks to 90° each way. Since the spaces, both on the main scale and the Vernier scale, are numbered both to the right and to the left from zero, any angle can be measured. The readings can be taken either to the right or to the left, according to the direction in which the zero on the main scale is moved. Reading the Vernier scale: The bevel protractor Vernier scale may have graduations of 5′ (minutes) or 1/12°. Each space on the Vernier scale is 5′ less
OMB Circular A-126 than the basic pay equivalent to a member of the Senior Executive Service (). Active duty military officers are exempted from this definition. All agency officials with the statutory authority to procure aircraft must ensure that their policies and procedures comply with the requirements of OMB Circular A-76, and that those programs comply with the internal control requirements of OMB Circular A-123. Any material weaknesses must be reported to the President and the United States Congress. The development of policies and procedures must be done in cooperation with the GSA. If the agency does not have systems that conform to