These requirements cover the construction and test of key-locked safes@ Class KL. As used in these requirements@ Class KL safes are those key-locked safes designed to offer protection against entry by common mechanical and electrical tools@ and any combination of thereof. Such safes are intended primarily for the protection of daily cash deposits. A product that contains features@ characteristics@ components@ materials@ or systems new or different from those covered by the requirements in this standard@ and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features@ characteristics@ components@ materials@ or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development@ revision@ and implementation of this standard.