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Word Origin: envelope- Long before 1988, in the early years after World War II, push the envelope was on the cutting edge (1951) of aviation. It referred to the envelope, or limit of ...
Word Explain: Pen- pen, pointed implement used in writing or drawing to apply ink or a similar colored fluid to any surface, such as paper. Various kinds of pens have been used since ...
Welcome to Inouting Pen!- Creation and innovation policy is vivid embody in our company, therefore our designs are updated frequently. More over combining variant colors with artistic and innovative designs, we have various range ...
Unusual Ballpoints- Space Pens, or pressurized pens, are a technological novelty. Take, for example, the Fisher Space Pen. A space pen's ink reservoir is pressurized (~40 lb/sq. in.), and the ink is ...
Types of pen- ...
Translations: Pen- ...
The Ink- Ink is a fluid or paste that comes in a variety of colors -- usually black or dark blue -- used for writing and printing. It is composed of a ...
The history of the ballpoint pen- In 1879 in Providence, Rhode Island, Alonzo T. Cross invented the stylographic fountain pen, a precursor of the ball-point pen. He engaged in competition with Duncan Mackinnon, the other stylographic ...
The history of the ball-point pen-   Quill pens were the writing instruments of choice for centuries, used by the Lord of the Manor. The Lord owned serfs, and the serfs owned hens, a prolific, and self-replacing ...
The Great Eraser Caper- Factoid #1: A lot of erasers are made by pencils manufacturers! That makes sense, since we think of the eraser as a regular component of the everyday pencil. But pencils ...