This work involved the supply and installation of the following equipment for treatment plants of nine major cities in southern Chile:
•Fine sieve
•Compact screw
•Solids conveyor
•Sand trap bridges
•Degreasers
•Circular bridge for sedimentator
•Sludge thickener
•Grease concentrator
•Sand washer
•Boards of command, control and power
![](http://eathisa.com/wp-content/uploads/2018/03/Supply-and-equipment-installation-for-nine-Sewage-Tratmnet-Plants-1.jpg)
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