Wyo. Stat. Ann. § 22-12-110
(a) When voting machines are used the county clerk shall have an appropriate official deliver to a judge of election in each polling place, before the day of election, the following supplies:
(i) The key to each machine sealed in an envelope;
(ii) Repealed By Laws 2013, Ch. 31, § 2.
(iii) Other appropriate instructional devices.