Used to identify pipe and fitting sizes in plumbing. Refers to the inside diameter of the pipe which can vary by thickness of the pipe. The outside is a constant size. For copper pipe the outside diameter is always 1/8 larger than the nominal size. Example: 1/2 nominal is always 5/8.
Competency-based learning or Competency-Based Education and Training is an approach to teaching and learning more often used in learning concrete skills than abstract learning. It differs from other non-related approaches in that the unit of learning is extremely fine grained.
I believe career and technical education (GTE) empowers students to accelerate down their career pathway through rigorous and relevant plans of study, which contain the sequence of course work suggested to achieve postsecondary and workforce success, leading to high-wage, high-skill, high-demand jobs.