§ Mr. William Ross
To ask the Secretary of State for the Home Department what further steps he intends to take to prevent the sale of materials which can be used to formulate explosive devices and bombs. 
§ Mr. Maclean
There are extensive legal controls on the manufacture and possession of explosives, and these are kept under constant review. It would not be practical to restrict all materials which might be used in the manufacture of explosives. Many have other legitimate uses.