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Scoping a safe is the process of drilling a hole and inserting a borescope into the safe to get an intimate look into a specific part of the security container. When manipulation-proof mechanical locks and glass re-lockers are implemented as security measures, scoping is the most practical option.
A majority of the safes sold by Cary had letters painted to the purchaser's request on the upper portion of the safe. Typically common was a customer's family name or the name of a business. Every Cary safe was built fire and burglar-proof. The company also manufactured intricate time locks and combination locks, (standard key) locks, and ...
Safe-cracking is opening a safe without a combination or key. There are many methods of safe-cracking ranging from brute force methods to guessing the combination. The easiest method that can be used on many safes is "safe bouncing", which involves hitting the safe on top; this may cause the locking pin to budge, opening the safe [citation needed].
A Wordlock letter combination lock.. A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an ...
Komatsu Limited and Dresser Industries established Komatsu Dresser to make mining tractors, construction equipment and related equipment. [15] This 50-50 ownership lasted from September 1988 to August 1994, when Komatsu bought out Dresser's share. [15] By 1993, it generated sales of more than US$4 billion, and employed 31,800 people in fifty ...
Motorized gates – In case of power outage the gate can be pushed open by hand with no crank or key required. However, as this would allow virtually anyone to go through the gate, a fail-secure design is used: In a power outage, the gate can only be opened by a hand crank that is usually kept in a safe area or under lock and key. When such a ...
While this technique was originally applied to the refrigerator compartment, it was later used for freezer compartment as well. A combined refrigerator/freezer which applies self-defrosting to the refrigerator compartment only is usually called "partial frost free" or semi-automatic defrost (some brands call these "Auto Defrost" while Frigidaire referred to their semi-automatic models as ...
Using weak keys, the outcome of the Permuted Choice 1 (PC-1) in the DES key schedule leads to round keys being either all zeros, all ones or alternating zero-one patterns. Since all the subkeys are identical, and DES is a Feistel network , the encryption function is self-inverting; that is, despite encrypting once giving a secure-looking cipher ...