Machines for handling and treatment of rice, namely pneumatic or chain conveyors, separators, hullers, sieving machines, dampening and washing machines, grinding, scouring and polishing machines, weighers and balances, loading and unloading devices, bag filling and bag closing machines, storing units; machine tools, namely grinding and polishing tools, screens, corrugating tools, machine engines; machine parts, namely clutches and devices for power transmission; conveying systems and pneumati...