The two main manufacturers are Verity Systems
www.veritysystems.com And Garner www.garner-products.com Please see related links
degausser
The uses of a degausser is like the name indicates, to degauss. It has most widely been used in regards to CRT televisions, where the degausser would work to remove or severely lessen the magnetic field in the monitor.
You need someone with a Degausser to fix it. There are DIY Degaussers out there. Remove anything with remotely magnetic properties from on top of your television and see if it disappears over a week or so, if not most likely a Degausser is the answer
Removing magnetism from something is often called degaussing. A degausser uses an alternating current to create an alternating magnetic field that "sweeps" the magnetic fields from things in which they have appeared. The degausser randomizes the magnetic domains that had formed in the metal of the springs.
Degausser
To demagnetize a video tape, you can use a degausser, which generates a fluctuating magnetic field that disrupts and neutralizes the tape's magnetic particles. Simply pass the tape through the degausser according to the manufacturer's instructions, ensuring it's done slowly and evenly. Alternatively, if a degausser is not available, storing the tape in a magnetic field-free environment for an extended period may help, but this method is less effective. Always handle tapes carefully to avoid physical damage during the process.
You need to use a degausser or tape eraser: http://www.veritysystems.com/degaussers/erase-cctv.asp
To erase an Ultrium tape you will need to use a specialist eraser or degausser. However once erased or degaussed the tape cannot be reused because prewritten signals will be removed. See related links for a manufacturers information regarding degaussers for Ultrium tapes: http://www.veritysystems.com/degaussers/erase-lto.asp
There are 259 surfboard manufacturers in the U.S.A.
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There are many hard drive manufacturers. Seagate is a best solution.
There are many different manufacturers of external portable hard drives. One of the most popular, trusted and credible manufacturers is Seagate. They are used around the world by many.