Infants and toddlers from birth to three years may be eligible for BabyNet services if they are developing more slowly in any of the following ways: Learning to walk Height & weight
How is it made? The raw material used to make carbon fiber is called the precursor. About 90% of the carbon fibers produced are made from polyacrylonitrile (PAN). The remaining 10% are made from rayon or petroleum pitch. All of these materials are organic polymers, characterized by long strings of molecules bound together by carbon atoms.
1 The carbon in fabric may have come from living plants (cotton), petroleum (polyester or acrylic), or animals (wool or silk). 2  Plastic came from hydrocarbons, which were formed millions of years ago from living things. 3  CO2 in carbonated beverage is from the atmosphere.