Spray on the first coat of paint and allow it to dry. Turn the grates over and spray a coat on the undersides. Allow the coat to dry. Repeat this and spray on two additional coats at both sides and all surfaces of the grates. Allow each coat to dry before applying the next.
The Black Billionaires 2015. Of the 1,826 people who made it to the 2015 FORBES list of the Worldâs Billionaires, 11 of them are black, up from 9 a year ago. Nigerian cement tycoon Aliko Dangote is still the richest black person in the world, with a fortune estimated at $15.7 billion. He is followed by Saudi-Ethiopian construction magnate Mohammed Al-Amoudi, who is worth $10.8 billion. This year, two new moguls join the ranks of the richest black people on earth.
Citizenship: United States. Bill Gates is once again the richest person on the planet, a title he's held for 16 out of the last 21 years. He recaptured the top spot in March 2014 after a four-year run by Mexico's Carlos Slim Helu as No. 1.