35 The bringing together, for the benefit of others, of machines, namely, electric flour sifters for industrial use, grinding machines for grinding grains, winnowers, grain husking machines, grain separating machines, machines for sorting grains, wheat, barley, corn and removing non-conforming materials, sieves being machines, sieves being machine parts, machine parts, namely, roll mill bearings, continuous scouring and bleaching machines cyclone separators, mechanical discharging hoppers, power-operated flour mills, packaging machines and parts thereof, excluding the transport thereof, enabling customers to conveniently view and purchase those goods; all the aforementioned services provided by retail stores, wholesale stores, through mail order catalogues or by computerized online retail and wholesale stores