[[File:Alcohol_Test_0.png|frame|center|alt=Alcohol Test 0|The very first heat test conducted was non-heated. It tested 5 light guide fibers in ethanol concentrations of 100%, 80%, 60%, 40%, 20% and 0%.]] | [[File:Alcohol_Test_0.png|frame|center|alt=Alcohol Test 0|The very first heat test conducted was non-heated. It tested 5 light guide fibers in ethanol concentrations of 100%, 80%, 60%, 40%, 20% and 0%.]] |