The Emperor Gum Moth caterpillar feeding on a eucalyptus leaf. Caterpillars of the Emperor Gum Moth pass through five stages, shedding their skin and changing their appearance at each stage of development, before spinning a dark brown silken cocoon and metamorphosing into the adult moth. Photo credit: Fir0002 Archive - Nominate new image ...
Found on
http://en.wikipedia.org/wiki/Hydraulicking
(from the article `placer mining`) In sluicing or hydraulicking methods, a slightly sloping wooden trough called a box sluice, or a ditch cut in hard gravel or rock called a ground ... ...ones (tailings piles, for example). A natural flow of water is used to disintegrate and then transport the material through a sluice, where the ... ...
Found on
http://www.britannica.com/eb/a-z/h/88
No exact match found.
