(title "Skin friction. Lower wall")
(labels "x/h" "Skin friction")
((xy/key/label "Experimental")
10.2341	0.000318	
15.2016	-0.000027	
20.2713	-0.0001444	
25.2694	-0.0001701	
54.4886	-0.0001227	
61.1513	0.0000663	
67.8803	0.0002158	
)