Polypropylene is used alone or as a copyolymer, usually with with ethylene. These polymers have an exceptionally wide range of uses â rope, binder covers, plastic bottles, staple yarns, non-woven fabrics, electric kettles. When uncolored, it is translucent but not transparent.
Centi (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth. Proposed in 1793 and adopted in 1795, the prefix comes from the Latin centum, meaning hundred. Since 1960, the prefix is part of the International System of Units (SI). It is mainly used in combination with metre to form centimetre, a common unit of length.
Toyota 's (NYSE: TM) Mirai is an electric sedan powered by a hydrogen fuel cell, a device that chemically extracts the energy from hydrogen gas to produce electricity. It's a clean technology -- the only exhaust is water vapor -- but producing hydrogen affordably isn't exactly a clean process right now.