He maintains that the safe was opened by a safebreaker, whose keys were found on the premises.
This system is used when a number of locks (such as those securing bedrooms in a hotel), each having a different key, must all be opened by a landlord or caretaker using a single key.
Here, a previously described DNA 'origami' method has been extended into three dimensions to create an addressable DNA box on the nanometre scale that can be opened by an externally supplied DNA key'.
If the lock is opened by inserting the key upside down (with the serrated edge facing down) the pins are on the bottom.
To design a set of single locks each of which can be opened by its own key, and also by the master key, requires a coordinated arrangement of the warding.
People on the scene said the security gate would not have been attended early yesterday morning, but could have been opened by someone with a key card for its lock.
The demonstration highlights a unique problem for handcuff makers, who design their cuffs to be opened by standard keys possessed by every police officer in a department, so that a suspect can be locked up by one officer and released by another, says Ray. Unlike other locks with unique keys, any copy of a standard key will open a certain manufacturer's cuff.
Think of the 5-HT2A protein as a lock, that can be opened by numerous keys.
Just as locks are designed so that each can be opened by only one key, so the categories of the Oscars need to be reconfigured each year to make sure that the actual best movies are the only ones that can reasonably correspond to them.
According to Church, automatic gates which can be opened by card keys are being installed.
Office doors at GM's Advanced Concepts Center can only be opened by plastic card keys.
