To give bike frames their structural strength manufacturers employ a variety of unidirectional carbon fiber prepreg sheets. Each sheet is designated by the fiber orientation as being either a 0Â°, a plus 45Â°, a minus 45Â°, and/or a plus or minus 30Â°.
Sawfish are shark-like rays characterized by long, tooth-studded snouts. Individuals range in size from 2 to 20 feet and can weigh more than 1,000 pounds. Like most sharks and rays, sawfish are exceptionally vulnerable to overexploitation due to their slow growth, late maturity, and small number of young. All seven species worldwide are classified by the International Union for Conservation of Nature (IUCN) as Critically Endangered.
Criteria: D2 Click here for more information about the Red List categories and criteria Justification of Red List category Although able to take advantage of most waterbodies, this species is listed as Vulnerable because its range is very small and susceptible to stochastic events and human activities, given that its wetland habitat is scattered and limited in area, and that only a small number of concentrations are known.