Tool designing : As for the different requirements and activities of the farm , we had to make new tools or have to modify the old designs for more economic needs and less dependency on business market .such apparatus as : - Solar weed cutter (for use between crop lines ) - Weed crimper (foot wear ) - T weed slasher (hand operated ) - Stone collector (ox operated ) - No tillage seed drill (9 section tractor operated ) - Seed drill ( hand operated )