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Needle threader and usage with a needle. Typical needle threader. A needle threader is a device for helping to put thread through the eye of a needle.Many kinds exist, though a common type combines a short length of fine wire bent into a diamond shape, with one corner held by a piece of tinplate or plastic.
Needle has distinct "wings" on either side of the eye which hold the fabric open. Often used on hems and borders, and for decorative finishing. A larger size needle will leave a larger hole in the final piece of sewn fabric. Leather: These have a distinct triangular point to help the needle make a large, clean hole in non-woven materials like ...
Sewing awls are used to make lock stitches. The needle, with the thread in the eye is pushed through the material. The thread is then pulled through the eye to extend it. As the needle is pushed through the material, the extra thread from the first stitch is then threaded through the loops of successive stitches creating a lock stitch.
Ideally, the lockstitch is formed in the center of the thickness of the material — that is, ideally the upper thread entwines the lower thread in the middle of the material. The thread tension mechanisms, one for the upper thread and one for the lower thread, prevent either thread from pulling the entwine point out of the middle of the material.
The Torrington Company was a firm that developed in Torrington, Connecticut, originally called the Excelsior Needle Company. It was formed in 1866 around the new idea of using a "cold swaging" technique to create better sewing machine needles , as Torrington expanded, it began to produce other goods.
bottom left: a one piece die with top adjusting screw; center: a one piece die with side adjusting screw (barely visible on the full image) right: two dies without integrated adjusting screws; Solid dies cut a nominal thread form and depth, whose accuracy is subject to the precision the die was made with, and the effects of wear.
The Cloward–Piven strategy is a political strategy outlined in 1966 by American sociologists and political activists Richard Cloward and Frances Fox Piven.The strategy aims to utilize "militant anti poverty groups" to facilitate a "political crisis" by overloading the welfare system via an increase in welfare claims, forcing the creation of a system of guaranteed minimum income and ...
The Chainsaw file is one example, used primarily for sharpening chainsaws. These appear to have a round cross-section, but are actually shaped to fit snugly against the cutting edge of a chainsaw's teeth. Slitting files are parallel in width with a diamond-shaped cross section. Thinner than knife files and use for filing slots.