Mechanical screens are used to pick up coarse floating materials such as paper, plastic bags, tree leaves, cloth etc. Different types of mechanical screens are used for different sites. The type of screen to be selected depends upon the depth of the receipt of sewage, Space available on the surface, quantity of screening materials in the waste water, type of screenings etc. Akar manufactures Basket Screens, Rake type Coarse Bar Screens, Screw Screens etc. Shown above is AMRABAR Akar Mechanical Bar Screen in operation.