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What is a 'one time pad'?
A one-time pad is an encryption/deencryption method where a random series of cipher codes is used one time, and one time only, in a communication. Assuming that only the two parties possess their pairs of pads, then the encryption is unbreakable.
What are some Everyday items that were used in the 1870's?
One item was a washing board that looked like a pad with lines in it
Should a upgraded carpet padding with a sheer plastic cover on one side have the plastic up or facing down toward the floor?
If the pad only has the plastic covering on one side it should be installed plastic side up. Depending on the type of plastic it could serve one or more purposes. The most basic of purposes would be to allow the carpet to be slid on the surface of the pad during the installation and to prevent damage during installation. The most advanced pads have a thicker plastic coating that acts as a boundary layer to prevent the pad from absorbing liquids that may be spilled on the carpet. This boundary layer allows for easier cleanup and helps prevent stains from reappearing after they have been removed.
What are two problems with the one-time pad?
The two problems are; 1. The One time pad needs to be truly random. Pseudo random generators are quick however they can be predicted. The second is practicability of being able to transmit the number of keys securely to the receiver. For every bit of plain text, there is also 1bit of key.
How many bags of concrete would it take for 25 sq feet?
1 60lbs bag makes around a 1' by 1' by 3" thick pad..
Where can one purchase a pad printing machine?
One can purchase a pad printing machine from lots of office equipment suppliers like Padprinting, Padprintmachinery, Dalesway, Inkcups, Printexusa, Printa and not to forget at eBay.
What businesses would use a pad printer?
Pad printers are used in businesses that do screen printing. Pad printing is also used in industries such as automotive, apparel, electronic objects, promotional, sports equipment, and toys.
How do I print promotional pens?
Pens are not printed by the regular printing machine because of their size. They are printed by a special printing called pad printing.
What Is Pad Printing How Does It Work For Your Product Logo?
Pad printing basic concepts Pad printing refers to the need to print the pattern etched on the steel plate (steel), through the pad printing machine oil reel back to the oil, the knife frame combination drop. The pad printing ink outside the etched pattern of the steel plate back into the oil basin, and then through the adhesion of the glue head, the pattern will be completely panned on the substrate, that is, the completion of the entire printing made. Pad printing process With the help of the deformable pad printing head to complete the transfer of ink layer, the pad printing head surface does not contain graphics; the need for graphics first sun and etched into the pad printing intaglio. And then coated with ink on the surface of the pad printing intaglio, with a hard scraper to scrape the ink on the surface of the printing plate non-graphic area, with the rubber head dipped in the pad printing inks at the plate pit and lift, move to the surface of the substrate for embossing to complete the printing. Pad printing features Can print irregular surfaces, but you need a manual, electric, or pneumatic pad printing machine to do, the requirements are high. The scope of adaptation of pad printing Pad printing is mainly done through the transfer process of the rubber head, so the pad printing process is limited by the performance and shape of the rubber head. The glue head has the following characteristics: ① elastic ② curved ③ not infinitely large Therefore, pad printing can print large-area patterns, but it is very suitable for printing irregular shapes, and uneven workpieces with not certain graphics. Is not achievable by certain printing. Steel plate and printing quality The quality of product printing and printing speed, and the depth of the steel plate have a great relationship, depending on the material of the product being printed, the surface light, the size of the pattern, and the base color of the printed material to determine the depth of the steel plate. 1. Depth requirements: the normal depth of steel plate making is generally 0.015mm to 0.035mm, too deep or too shallow will affect the printing quality and production. 2. Hardness requirements: steel plate material selection and processing are also very important, such as the use of low carbon steel, because its hardness after heat treatment can not reach more than HRC62, so in the printing easy to cause wear and tear on the page, invariably resulting in an increase in costs. 3. Surface processing technology requirements: the layout treatment must be plane grinding and then mirror grinding, after these two treatments the steel plate can be printed with high-quality products; If only plane grinding without mirror grinding of the steel plate in the plate-making process because of the surface capillary holes will indirectly affect the quality of printing so that the quality of the product can not be improved. The rubber head Pad printing machine printing head material is a special silicone, made by a special blend of processing, the choice of the product that must be printed by the shape and size of the pattern to choose its softness and shape. Even require special treatment or reinforcement, given the printing head is stained with ink on the printing plate and will be transferred to the substrate, the head material must have the flexibility and the transfer pattern must be accurate. The fixed block of the glue head is usually a wooden or aluminum plate. The specific material chosen for the head block depends on the fixing requirements of each pad printing machine. All standard heads have a common shape: the printing surface is curved and the sides are inclined towards the center. The head is divided into round, square, long, and special shapes.
What is relief printing and gravure printing?
Relief printing is printing from a block (usually wood) where the image to be printed is raised and the parts that are to be blank are removed or cut away. An example would be an ink pad and stamp. Gravure printing is an expensive and high quality printing that uses direct contact between etched copper plate printing rollers and the paper. It is most often reserved for printing wall coverings and the like.
Can DNA get extracted from a sterile cotton pad with blood?
Yes. You can get DNA from sterile cotton pad with blood for DNA finger printing.
Can you boil an egg from a heating pad?
That would have to be one darn hot heating pad. So, no, probably not.
Where can one purchase a personalized mouse pad?
Personalized mouse pads can be purchased from any photography or printing outlet. The photography departments at London Drugs and Costco will produce them. They can be ordered online from Shutterfly and printing companies like Vistaprint.
How would one wash a carpet pad?
You can't it would tear it apart.
Do encryption export controls apply to implementations of the one-time pad?
There are no export controls per se on the one-time pad - however, there could easily be controls on elements of the implementation of the one-time pad. For example, if the one-time pad is sent using encryption that is subject to export controls, the implementation would be subject to export controls because of that.
How can you imprint a logo on glass?
Glass is printed by either screen printing with a solvent based ink. Or pad printed with a solvent based ink.
Would you use only one anti rattler on the inner disc pad or is it two per pad on both sides?
Some use one and others use two, depends on what model and year vehicle you have.
