7 Material handling and order fulfillment systems comprising machines in the nature of accumulation conveyors, aftersort or receiving conveyors, belt conveyors, case conveyors, carton sortation conveyors, chain driven live roller conveyors, conveyors for merging, diverging, and allowing cartons to cross from one side of a conveyor to another, discharge conveyors, extendable conveyors, gravity roller conveyors, gravity wheel conveyors, high speed sorters, induction carton conveyors, live roller conveyors, pallet conveyors, portable conveyors, powered belt conveyors, roller bed conveyors, slat/shoe sortation conveyors, slider bed conveyors, sortation conveyors, and electronic and computerized controls and software therefor; parts specially adapted for conveyor machines, namely, ball transfer units, beams, bearings, case stops, catwalks, chutes, conveyor beds, conveyor belts, conveyor drive and take-up units, conveyor gears, conveyor motors, conveyor pulleys, conveyor rollers, conveyor wheels, deck supports, declines, diverts, drive beds, drive chains, floor supports, gates, guard and rails, inclines, inducts, merge beds, photo electric readers, pop up wheel rollers, power supplies, pulleys, reducers, sensors, side guides, speed controllers, spirals, transformers; motorized drive rollers comprising conveyor rollers with integrated electric motor and controllers therefor; automated conveyor and transport installations, machines, apparatus for the vertical, horizontal, suspended or stacked storage of goods as part of an automated storage and retrieve system, namely, machine system comprised of conveyors machines, and electronic and computerized controls and software therefor; automatic order picking apparatuses and equipment, namely, automatic order picking systems, and electronic and computerized controls and software therefor