# This is a comment

steel 2e11 0.3 7850			# This is another comment
aluminium 7e10 0.35 2700
lead 1.6e10 0.44 11340
uranium 20.8e10 0.23 19050
gold 7.8e10 0.44 19300
titanium 11.6e10 0.32 4507
