GHSA urges all states to adopt a universal motorcycle helmet law and vigorously enforce existing laws. 1  47 states, the District of Columbia, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands have a helmet law for motorcyclists. 19 states, the District of Columbia, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands have a universal helmet law, requiring helmets for all riders. 2  The remaining 28 states and Guam require helmets for specific riders.
Hides and Skins. the skins of domestic and wild animals, as well as fur seals, fish, and reptiles, that are used as the raw materials in making leather.
1 It is manufactured from rendered collagen from the skins (hides) of animals. 2  It is chemically similar to edible gelatin and is non-toxic if ingested. 3  Hide glue is still used today in specialized applications: musical instruments (lutherie), for replica furniture, and for conservation-grade repairs to antique woodwork. Hide glue is measured on the basis of its gel strength, a measure of how many grams of force it requires to depress a 1â2 in (13 mm) plunger 4 mm (0.16 in) into a 12.5% protein solution of the glue at 10 Â°C (50 Â°F).