Master key systems for commercial properties
https://extra-wiki.win/index.php/Master_key_systems_for_commercial_properties
Master key systems for commercial properties let you set up tiers of access where a single key opens all locks while individual keys only work on specific doors. This is useful for offices, warehouses, or apartment buildings where managers need full access but employees or tenants should be limited to their own areas. A locksmith can design a system with graduated levels, like a grand master key that opens every lock, a master key for each floor, and sub-master keys for individual rooms. It cut…