Results of comparing time testing showed that Large clay mixer machine use the least time is 1,714.30 seconds, next is Small clay mixer machine use 1,725.72 seconds and take the longest is clay mixed by labor 3,071.4 seconds.
In other words results of comparing piece of work showed that piece of mixing clay by labor is the most problems. It can found a problem 5 pieces. Piece of work by Large clay mixer machine found 3 pieces and Small clay mixer machine found the least problem just 1 piece
and then when Small clay mixer machine mix the clay is equal to 176.87 kg . it be the breakeven point.