ironments found in steel mills, foundries and electroplating operations. Your application may require the air hoist to havespark resistantfeatures such as stainless steel hooks, stainless steel chain .Other items you need to consider when choosing an Air Chain Hoist is hoist Speed, Lift (length of chain), Suspension (Hook, Push Trolley, Motorized Trolley), Pendant stationorPull-Cord Controlled.