Sifting machines; sorting machines for industry, namely, machines for sorting  nuts, seeds, fruits, cereals and grains and removing non-conforming materials; computer-controlled sifting machines; computer-controlled sorting machines, namely, machines for sorting nuts, seeds, fruits, cereals and grains and removing non-conforming materials; machines for sifting nuts; machines for sifting dates, nutshells, seeds, fruits, cereals and grains; stalk separating machines; machines for sorting seeds...