Geedi socodka oo dhan, shaandheyntu ma joojinayso socodka, garashada wax soo saarka joogtada ah iyo si toos ah.
Filterka is-nadiifinta tooska ah wuxuu inta badan ka kooban yahay qayb wadista, golaha kontoroolka korantada, dhuumaha kontoroolka (oo ay ku jiraan beddelka cadaadiska kala duwan), shaashadda shaandhada xoogga sare leh, qayb nadiifinta (nooca burushka ama nooca qashinka), flange xiriirka, iwm. .