When locking explosives and detonators into the air chamber, they shall be kept at opposite ends of the lock. While explosives and detonators are being taken through, no persons other than the lock tender and the carriers shall be permitted in the lock.
[ 2009 c 549 § 1014; 1941 c 194 § 8; Rem. Supp. 1941 § 7666-16.]