Recommended ways of reducing sun exposure include staying out of the sun during midday (10: 00
a. m. to 4: 00 p. wearing protective clothing (including a hat to shade the face and neck, long sleeves, and long pants), and using sunscreen with a sun protective factor (spf) of or higher.

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.