Profile: The Slate River Systems Inc. specializes in providing material handling systems. RAFT AS/RS is a 3-dimensional "lift and run" system. Pallets are lifted to the designated storage level, transferred both cross-lane and down-lane to the next available pallet position. Pallets are placed on static parallel rails instead of carts and wheels or rollers. Pallets remain stationary until removed by the forklift. However because the forklift has to enter the actual rack system for loading and unloading.