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<p>[QUOTE=&quot;2manybooks, post: 865937, member: 8267&quot;]The processes listed in the beginning of the manual are steps in cleaning raw wool, not spinning into yarn.</p><p><br /></p><p>&quot;When shorn from the sheep, wool carries -varied quantities of</p><p>natural wool grease, dried perspiration, dirt, sand, chaff, seeds, and</p><p>burrs. In this condition it is called &quot;greasy wool&quot; or &quot;grease wool&quot;.</p><p>Before greasy wool is manufactured, the natural grease and foreign</p><p>matter must be removed. This is usually accomplished by a cleansing</p><p>process called &quot;scouring,&quot; which causes a considerable loss from the</p><p>weight of the original greasy wool. This loss in weight is known in</p><p>the trade as &quot;shrinkage&quot; and is expressed as a percentage of the original</p><p>weight of the greasy wool.</p><p>Thus a pound of greasy wool is not a pound of pure wool fiber. A</p><p>pound of greasy wool that later shrinks 60 percent in scouring consists</p><p>of four-tenths of a pound of pure wool fiber and six-tenths of a pound</p><p>of grease, dirt, and other foreign matter.&quot;</p><p><a href="https://archive.org/stream/CAT10682270/CAT10682270_djvu.txt" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://archive.org/stream/CAT10682270/CAT10682270_djvu.txt" rel="nofollow">https://archive.org/stream/CAT10682270/CAT10682270_djvu.txt</a></p><p><br /></p><p>As it says &quot;Complete Insurance Coverage&quot;, the tables may be for figuring insurance fees (as inh suggested) based on weight, which has to consider changes due to shrinkage.[/QUOTE]</p><p><br /></p>

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