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A Bernoulli grip uses airflow to adhere to an object without physical contact. [1] Such grippers rely on the Bernoulli airflow principle . While an accelerating, increasing speed, airstream has a low downstream static pressure , the sharp turn from linear to radial flow is the cause of a region of very low pressure around the blower exit hole.
A Singer puzzle box is a collection of accessories for a sewing machine. Produced by the Singer Manufacturing Company during the 19th and 20th centuries, these neat and compact kits provide supplies and attachments for easing many common sewing tasks. At the time they were called 'Style' boxes, and were numbered consecutively from 1 ("Style No ...
Unlike thimbles, the softer thimblettes become worn over time. They are considered disposable and sold in boxes. The surface is dimpled with the dimples inverted to provide better grip. Thimblettes are sized from 00 through to 3. [clarification needed] A finger cot is a smooth rubber "glove finger" used to protect the finger or the item being ...
At this time, world-renowned cabinet and furniture makers such as Thomas Chippendale and Duncan Phyfe began to use adhesives to hold their products together. [10] In 1690, the first commercial glue plant was established in The Netherlands. This plant produced glues from animal hides. [16] In 1750, the first British glue patent was issued for ...
Diagram of a modern sewing machine Animation of a modern sewing machine as it stitches. A sewing machine is a machine used to sew fabric and materials together with thread. Sewing machines were invented during the first Industrial Revolution to decrease the amount of manual sewing work performed in clothing companies.
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Three patterns for pants (2022) Pattern making is taught on a scale of 1:4, to conserve paper. Storage of patterns Fitting a nettle/canvas-fabric on a dress form. In sewing and fashion design, a pattern is the template from which the parts of a garment are traced onto woven or knitted fabrics before being cut out and assembled.
A filing cabinet (or sometimes file cabinet in American English) is an item of office furniture for storing paper documents in file folders. [1] In the most simple context, it is an enclosure for drawers in which articles are stored. The two most common forms of filing cabinets are vertical files and lateral files.