Skin lightening products -- also known as bleaching creams, whiteners, skin brighteners, or fading creams -- work by reducing a pigment called melanin in the skin. Most people who use lighteners do so to treat skin problems such as freckles, age spots, acne scars, or discoloration related to hormones.
The Deepest Oil Well. 555 feet: Total height of spar. 13 days: Time it took to secure spar to seafloor. 10,000: Number of cars it would take to equal Perdido's weight. 9,627 feet: Water depth at deepest well. 184 miles: Total length of pipeline laid on seafloor.
Most shallow well drilling machines are mounted on large trucks, trailers, or tracked vehicle carriages. Water wells typically range from 3 to 18 metres (9.8â59.1 ft) deep, but in some areas can go deeper than 900 metres (3,000 ft).