Large corporations and individual unions also have offices in the capital. Trade associations represent entire industries. The members of the American Public Power Association (APPA), for example, are municipally owned electric utilities, rural electric cooperatives, and state power authorities. Professionals also form interest groups.
well the UV rays can indeed go through your eyelids, but like the others i've closed my eyes and am fine....if you dont tan 365 days a year for 90 years i dont think you'll be in danger...also one thing to consider is if you wear contacts....most are now UV light protected which definitely helps to block out the rays.
Sunglasses are marked with a filter category from 0-4, where 4 is the darkest lens. * UV protection has nothing to do with lens colour. It has everything to do with blasting radiation that can damage your eyes. The best makes will block 100% of UV-A, UV-B and harmful blue light. * Buy a pair offering a 'light reduction' of up to 80% - they will allow in only 20% of sunlight.