The conveying of material-laden air with followers entails deciding the bulk density of the cloth to be conveyed. An excellent quantity of dilution air will be decided and a fan selected. High-velocity air is used to lift dirt, weld fumes, grain, plastic materials, wooden waste and paper trim from a procedure to a series point. An delivered benefit to fan kind structures is that the conveying air can be used to cool and aerate the substances being conveyed. This is beneficial in product switch structures the place extra cooling would possibly in any other case be necessary. Powder and bulk stable substances can be handed thru followers with the appropriate determination of substances for abrasion resistance.