It shall be unlawful to thaw dynamite or other explosives containing nitroglycerin, by direct contact with steam

(225 ILCS 710/45.54) (from Ch. 96 1/2, par. 4307)

Sec. 45.54. It shall be unlawful to thaw dynamite or other explosives containing nitroglycerin, by direct contact with steam.

(Source: Laws 1945, p. 1035.)