Sails
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Sails come in different shapes and sizes depending on position and function. Mainsail, trisail, foresails, jibs and spinnakers are made from woven polyester replaced cotton (Dacron) or plastic laminate (Mylar) each whit it's own advantages and disadvantages.
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Knots
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All knotting can be summarized within three main groups: knots, bends and hitches. A hitch attaches a line to a post, ring or another line; a bend joins two lines together.
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