Section 23-28.28-18 - Manufacture of explosives(a) The entire occupied portion of the premises of an explosives manufactory shall be enclosed by a suitable fence to enable the management to have control of all persons entering the premises, and any building in which wet fulminate is stored or dried shall be likewise enclosed within a separate enclosure, the entrance to which shall be kept locked. There shall be sufficient number of notices conspicuously posted on the outside of these enclosures warning of the business conducted therein.(b) The floor of any room in which fulminate is stored or used shall be covered with rubber matting, and only such an amount of fulminate as is required for immediate use shall be kept on hand. The wearing of shoes with metal nails within such rooms is prohibited.(c) No naphtha, bitumen, sulphur, charcoal, or any organic substance shall be stored in close proximity to any chlorate or perchlorate.(d) Persons under the age of eighteen (18) years shall not be employed in an explosive manufactory, and shall not be permitted to enter the manufactory unless accompanied at all times by some responsible person.(e) Smoking shall be prohibited upon the premises of explosives manufactories, except that smoking may be permitted in such places as may be authorized by the authority which issued the permit. Signs bearing the words "NO SMOKING" shall be conspicuously posted about the premises where smoking is prohibited. Carrying of matches or other flame producing devices upon the premises of explosives manufactories is prohibited except in receptacles especially provided and only when authorized by the person in charge of the manufactory.R.I. Gen. Laws § 23-28.28-18