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.
The winner of the hightest point of Earth is Mount Chimborazo in Ecuador. Mount Chimborazo, in the Andes, is a 20,000-plus-foot peak sitting on top of a bulge on the Earth. Mount Everest is a 29,000-plus-foot peak sitting lower down on that same bulge. Because Chimborazo is a bump on a bigger part of the bulge, it is 1.5 miles higher than Everest! Link.