ANSI/NCSL Z540.3 standard, Scope; References; Terms and Definitions; General Requirements; Calibration System Implementation; and Calibration System Assessment and Improvement,Measurement decision risk criteria, Test uncertainty ratios NCSL International

: Standing before the rising sun, often barefoot, to absorb its initial rays.

Chakshu Upanishad (also known as Chakshushopanishad Chakshushmati Vidya ) is a minor Upanishad from the Krishna Yajurveda

: The text centers on Surya Devata , invoking his golden luster and divine light to settle in the eyes of the devotee.