June 5, 2014. A vehicle's brake booster uses an engine's vacuum to strengthen the force of a shopper's foot application to the car's master cylinder, and it significantly reduces the effort needed to stop the car. The device is important for buyers who drive vehicles that feature power brakes.
Unified Parkinson Disease Rating Scale. The UPDRS scale refers to Unified Parkinson Disease Rating Scale, and it is a rating tool used to gauge the course of Parkinson's disease in patients. The UPDRS scale has been modified over the years by several medical organizations, and continues to be one of the bases of treatment and research in PD clinics.
A denier is a unit of weight for fibers. It is defined as the weight of 9,000 meters of the fiber, and it is generally measured in grams. The current denier standard is 10 grams per 9,000 meters. Microns, also called micrometers, are units of measurement that equal one millionth of a meter. To put that into perspective, the diameter of a strand of human hair is between 20 and 180 microns.