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Lincoln–Douglas debate (commonly abbreviated as LD Debate, or simply LD) is a type of one-on-one competitive debate practiced mainly in the United States at the high school level. It is sometimes also called values debate because the format traditionally places a heavy emphasis on logic , ethical values , and philosophy . [ 1 ]
Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood. Twinfast screw: A Twinfast screw is a type of screw with two threads (i.e. a twin-start screw), so that it can be driven twice as fast as a normal (i.e. single-start) screw with the same pitch. [4]
Where a fastener forms its own thread in the component being fastened, it is called a screw. [3] This is most obviously so when the thread is tapered (i.e. traditional wood screws), precluding the use of a nut, [3] or when a sheet metal screw or other thread-forming screw is used. A screw must always be turned to assemble the joint.
Crisis of the House Divided: An Interpretation of the Issues in the Lincoln–Douglas Debates, 50th Anniversary Edition. University of Chicago Press. ISBN 978-0-226-39118-2. Good, Timothy S. (2007). The Lincoln–Douglas Debates and the Making of a President. McFarland Press. ISBN 978-0-7864-3065-9.
Sheet metal screws (sometimes called "sheet-metal self-tappers", P–K or PK screws from the brand name Parker Kalon, the company which pioneered [7] the manufacture of, but did not invent, these screws) are a type of screw which can form a thread in thin sheet metal. Pan-head self-tapping screws are common in metal cases for electrical ...
Most types are designed for either machine screws or sheet metal screws. Some nuts do not attach to the workpiece. Some nuts do not attach to the workpiece. These are usually shaped as either a rectangle, a flange nut , or a hex nut ; the rectangular speed nut is also known as a flat-style speed nut.
The First Affirmative Constructive (1AC) is the first speech given in a round, presented by the affirmative team. Nearly every 1AC includes inherency, advantages, and solvency, as well as a plan text, the textual expression of the affirmative policy option. The 1AC is generally pre-scripted before the round.
The 1994 reenactments of the Lincoln–Douglas Debates took place between August 20 and October 15, 1994, and were facilitated and aired by C-SPAN.They featured historical reenactors presenting, in their entireties, the series of seven debates between Abraham Lincoln and Stephen A. Douglas that took place during the 1858 U.S. Senate campaign in Illinois.
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