Showing posts with label locks. Show all posts
Showing posts with label locks. Show all posts

Home Security, Don't Leave Home Without It

Depending on your age or where you grew up, you probably remember never locking the door to your house.  It seems like just yesterday, but those days are long gone.  Our way of life has changed rapidly.  Churches, schools, and neighborhoods are no longer social institutions linking entire families into a single community.  People do not know their neighbors as well as they once did.

Crime and fear of crime threatens a community's well being.  People become afraid to use streets and parks and suspicion erupts between young and old.  Crime in turn feeds on the social isolation and lack of community ties.

The following are some crime facts in neighborhoods today.

- Burglary and thefts from auto's are the most prevalent neighborhood crimes.
- Household burglary is one of the easiest crimes to commit, and to prevent.
- Most home burglars are young amateurs looking for easy targets.
- In over one-half of household burglaries, there was no forced entry involved.
- Most home intrusions occur during daylight hours while homeowners are away.  The burglar will in many cases watch your home for a few days to see when you are out.

Is the choice either to be burgled or turn your house into a high tech security fortress?  Not at all.  The first step is to know the ways burglars break into your home and what to look out for to reduce your chance of being burgled.  Inexpensive precautions like installing better locks will make your dwelling more secure while at the same time a less desirable choice for the criminal.  Install outdoor motion sensor lights.  This is an inexpensive way to reduce the risk of someone coming onto your premises at night.  Surveillance cameras have become quite affordable.  Some models are wireless.  Simply mount the small camera to monitor a particular area and the image can be viewed on your TV set.  Make sure you do not make it obvious that you are away.  Have a neighbor pick up your mail.  Make a list of all your valuable items.  Neighborhood Watch is a proven crime-reduction program.  Members watch out for their neighbors and report suspicious activities to their local police department.  Neighborhood Watch has helped to restore the "front porch" by bringing neighbors into contact with each other once again for a common purpose - to make our homes and streets safe.

What about installing a home security or surveillance system?  Undoubtedly the largest benefit you receive when an alarm is installed in your home is the peace of mind in knowing that the percentage of homes that are broken into with an alarm is 97% less than homes that do not have an alarm.  The homeowner should have a basic knowledge of the types of systems available to make the most cost effective choice.  Perimeter sensors protect each door and window and detect an initial entry attempt.  Motion sensors detect an intruder moving inside the house.  Systems are either hardwired or wireless, using radio signals.  Once an intrusion is detected the alarm system can sound a local alarm or contact an alarm monitoring company.  The security representative surveying your home and living patterns can make recommendations for your best protection.   

With the level of home intrusion increasing everyday there has never been a better time to make sure your home is secure.


Let's look at locks.

History

From the beginning of humankind people have felt the urge to protect what they possess. They start by covering the entrance of their caves with stones; later they hid their gold and jewels in the ground.

Then they discovered locks. These were first made of wood and rope. They served the purpose well, although they were not so nicely designed. There is a lot of historical proof which certifies the use of locks long before we could imagine. Even in the Bible (Old Testament, Books of Judges) we have frequent mention of locks and keys.

Types

In modern society we have keys and locks for everything: the house, the office, the car, the bike. We even have more than one key for the same building; keys and locks are so much a part of our daily routine that we don't take them into consideration (or maybe we do that only when the ring of keys is too heavy to be placed in our pockets).

But we do give a lot of thought when we have to pick the type of lock or the type of key. Basically we are talking about mechanical locks (based on mechanical activation of the keys) electro-mechanical locks (can be both mechanical or electrical activated, but usually the key is replaced with numbered buttons that have to be pressed) and electrical locks (activated by a card key that has a particular code, programmed to be read by a card reader which is controlled by an automated central or a local processor).

How to pick the lock?

It is not as complicated as we think, but also not as easy as it appears in a lot of movies. Some say that this requires both art and science. We have to have a good knowledge of the lock mechanism and, some practice.

Firstly we insert a tension wrench in the lock (a screwdriver for example) and, with a slight pressure, turn the plug (the lock cylinder) like the proper key would have done (we have to figure out what is the normal direction for the key to be turned). It will help create a small place between the lock pins (placed inside the lock). Then we have to insert a lock pick in order to lift them up (like the proper key will do when inserted in the lock). Doing this and continuing to apply pressure on the tension wrench we will hear a slight click (made by the pins when they fall in the right position) and the lock will be unlocked.

For unsophisticated locks we can use a metal hair pin as a lock pick. But professional locksmiths need an adequate pick tools kit. Basically this contains a tension wrench (they have different shapes and sizes) and several picks(long pieces of metal which are curved up at one end). Some can use an electrical pick gun (contains long pieces of metal and when they vibrate push the pins up and unlock the lock).

Re keying lock

The process of re keying is quite simple (takes couple of minutes) and it shouldn't be confused with the process of replacing a lock. Actually it consists of disassembling the lock cylinder and replacing all the old lock pins with new ones, to match the new key. Then the cylinder is reinstalled in the lock!

When for example a member of the family loses the house key we can assume that a burglar has it. We should immediately re key the house lock to prevent a potential theft. It doesn't cost a lot in time and money, but it can spare us a big stress. The same procedure is advisable when moving into a new house/apartment.

The better the lock is, the harder it will be for a burglar to break in!

Let's look at locks.

History

From the beginning of humankind people have felt the urge to protect what they possess. They start by covering the entrance of their caves with stones; later they hid their gold and jewels in the ground.

Then they discovered locks. These were first made of wood and rope. They served the purpose well, although they were not so nicely designed. There is a lot of historical proof which certifies the use of locks long before we could imagine. Even in the Bible (Old Testament, Books of Judges) we have frequent mention of locks and keys.

Types

In modern society we have keys and locks for everything: the house, the office, the car, the bike. We even have more than one key for the same building; keys and locks are so much a part of our daily routine that we don't take them into consideration (or maybe we do that only when the ring of keys is too heavy to be placed in our pockets).

But we do give a lot of thought when we have to pick the type of lock or the type of key. Basically we are talking about mechanical locks (based on mechanical activation of the keys) electro-mechanical locks (can be both mechanical or electrical activated, but usually the key is replaced with numbered buttons that have to be pressed) and electrical locks (activated by a card key that has a particular code, programmed to be read by a card reader which is controlled by an automated central or a local processor).

How to pick the lock?

It is not as complicated as we think, but also not as easy as it appears in a lot of movies. Some say that this requires both art and science. We have to have a good knowledge of the lock mechanism and, some practice.

Firstly we insert a tension wrench in the lock (a screwdriver for example) and, with a slight pressure, turn the plug (the lock cylinder) like the proper key would have done (we have to figure out what is the normal direction for the key to be turned). It will help create a small place between the lock pins (placed inside the lock). Then we have to insert a lock pick in order to lift them up (like the proper key will do when inserted in the lock). Doing this and continuing to apply pressure on the tension wrench we will hear a slight click (made by the pins when they fall in the right position) and the lock will be unlocked.

For unsophisticated locks we can use a metal hair pin as a lock pick. But professional locksmiths need an adequate pick tools kit. Basically this contains a tension wrench (they have different shapes and sizes) and several picks(long pieces of metal which are curved up at one end). Some can use an electrical pick gun (contains long pieces of metal and when they vibrate push the pins up and unlock the lock).

Re keying lock

The process of re keying is quite simple (takes couple of minutes) and it shouldn't be confused with the process of replacing a lock. Actually it consists of disassembling the lock cylinder and replacing all the old lock pins with new ones, to match the new key. Then the cylinder is reinstalled in the lock!

When for example a member of the family loses the house key we can assume that a burglar has it. We should immediately re key the house lock to prevent a potential theft. It doesn't cost a lot in time and money, but it can spare us a big stress. The same procedure is advisable when moving into a new house/apartment.
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The better the lock is, the harder it will be for a burglar to break in!

 
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