Products Wastewater Grit Removal PISTAÂ® Grit Chamber. High removal efficiencies originate from the PISTAÂ® Grit Chamberâs unparalleled hydraulic design, including its flat chamber floor, patented and low-energy axial-flow propeller.ISTAÂ® Grit Chamber. High removal efficiencies originate from the PISTA Â® Grit Chamberâs unparalleled hydraulic design, including its flat chamber floor, patented and low-energy axial-flow propeller.
The Barberton Greenstone Belt in South Africa is estimated at 3.4-3.6 billion years old, and generally regarded as the world's oldest mountains. Their age is indisputedly older than anything in North America (the Appalachians / Blach Hills / Porcupines / Smokies etc) and only Western Australia lays a possible claim.
Before, pine trees in North America had been called the oldest at 4,000 to 5,000 years old. Here it is, in all its lonely glory: the world's oldest living tree. Found in western Sweden, scientists believe that this spruce is 9,550 years old. Before, pine trees in North America had been called the oldest at 4,000 to 5,000 years old. According to the Guinness Book of World Records, a bristlecone pine named Methuselah in California's White Mountains was aged 4,768. But this discovery changes that view dramatically. Just to be clear about this: the tree itself is new.