"x1","x2","x1x2","28","Absorbability (%)"
21,.65,13.65,33.55,8.42
21,.55,11.55,47.55,6.26
7,.65,4.55,35,6.74
7,.55,3.85,35.9,6.59
28,.6,16.8,40.9,7.28
0,.6,0,39.1,6.9
14,.7,9.8,31.55,10.8
14,.5,7,31.12,5.63
14,.6,8.4,47.05,7.43