Yes, the restart provision is optional. For example, a driver who works 8 hours per day, 7 days per week, would never need to use the restart provision because he/she would never reach the 60- or 70-hour limit.
SAT. The SAT is a standardized test for most college admissions in the United States. The SAT is owned, published, and developed by the College Board, a nonprofit organization in the United States.
saturation, n 1. a condition in which a solution contains as much solute as can remain dissolved. 2. a measure of the degree to which oxygen is bound to hemoglobin, expressed as a percentage of the possible limit.