an opening unit. the fibers are sucked down a delivery tube and deposited in the groove of the rotor as a continuous ring of fiber. the fiber layer is stripped off the rotor groove and the resultant yarn wound onto a package. the twist in the yarn being determined by the ratio of the rotational speed...
, england, already famous for sewing needle manufacture, was the first to machine-manufacture them. in a woman in the american colony of maryland is recorded as having paid £ worth of tobacco for hooks and eyes. [ ] the hook and eye played an important role in women's corsetry ; used in rows or as a...
different types of snaps can be attached to fabric or leather by riveting with a punch and die set specific to the type of rivet snaps used (striking the punch with a hammer to splay the tail), sewing, or plying with special snap pliers. snap fasteners are a noted detail in american western wear and...
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