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The Stromquist moving-knives procedure is a procedure for envy-free cake-cutting among three players. It is named after Walter Stromquist who presented it in 1980. [1] This procedure was the first envy-free moving knife procedure devised for three players. It requires four knives but only two cuts, so each player receives a single connected piece.
Alice places one knife on the left of the cake and a second parallel to it on the right where she judges it splits the cake in two. Alice moves both knives to the right in a way that the part between the two knives always contains half of the cake's value in her eyes (while the physical distance between the knives may change). George says "stop!"
Rosin paper is a heavy duty felt paper.It is used in construction such as underlayment under flooring and siding.In building construction, rosin paper is used to reduce air and moisture flow through a wall or floor, create a "friction barrier" so different materials can slip by each other as they expand and contract, keep dust from working down through a floor, and minimize squeaking.
The simplest example is a moving-knife equivalent of the "I cut, you choose" scheme, first described by A.K.Austin as a prelude to his own procedure: [2] One player moves the knife across the cake, conventionally from left to right. The cake is cut when either player calls "stop", when he or she perceives the knife to be at the 50-50 point.
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A load stretch wrapped with slip sheet on rotary arm stretch wrapper; slip sheets in foreground. A Slip sheet is “a corrugated, solid fiber, or plastic sheet onto which a unit load can be assembled. A protruding short panel can be grasped by the jaws of a pull-pack truck and the load pulled back onto the pull-pack platform.” [1]
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