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An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter or card. Traditional envelopes are made from sheets of paper cut to one of three shapes: a rhombus, a short-arm cross or a kite. These shapes allow the envelope structure to be made by folding the sheet sides ...
The problem of multiple comparisons received increased attention in the 1950s with the work of statisticians such as Tukey and Scheffé. Over the ensuing decades, many procedures were developed to address the problem. In 1996, the first international conference on multiple comparison procedures took place in Tel Aviv. [3]
Firstly, the building can be designed to optimize building performance by having an efficient building envelope with high-performing insulation and window glazing systems, window facades strategically oriented to optimize daylighting, shading elements to mitigate unwanted glare, and passive energy systems for appliances.
Letter writing leads to the mastery of the technique of good writing. Letter writing can provide an extension of the face-to-face therapeutic encounter. [clarification needed] [13] Since at least a small fee is required, sending a large number of irrelevant letters becomes more expensive (and therefore less likely) than e-mail (spam).
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Billet reading, or the envelope trick, is a mentalist effect in which a performer pretends to use clairvoyance to read messages on folded papers or inside sealed envelopes. It is a widely performed "standard" of the mentalist craft since the middle of the 19th century.
A back-of-the-envelope calculation is a rough calculation, typically jotted down on any available scrap of paper such as an envelope. It is more than a guess but less than an accurate calculation or mathematical proof. The defining characteristic of back-of-the-envelope calculations is the use of simplified assumptions.
Letterlocking is the act of folding and securing a written message (such as a letter) on papyrus, parchment, or paper, without requiring it to be contained in an envelope or packet. It is a traditional method of document security that utilizes folding and cutting. [ 1 ]