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Manufacturing Products
Published in Roger Timings, Basic Manufacturing, 2006
Scissors are used to cut textiles, plastics, paper, card, metal foil, woven glass fibre, glass fibre mat and food, the correct type being selected for the process to be carried out. They should be checked for sharpness and cleanliness especially those with inserted blade sections. Scissors range in size from the very small as used for needlework, up to the very large size (shears) used in industries incorporating textiles in their products. While scissors would be used for cutting out hand-made garments, for example bespoke tailoring, power-driven rotary shears and even CNC laser-cutting machines are used for mass-produced clothing with several thicknesses of cloth being cut at the same time.
Evaluation of design alternatives for sewing scissors with respect to hand performance, discomfort and usability
Published in International Journal of Occupational Safety and Ergonomics, 2019
Iman Dianat, Soudabeh Asadollahi, Moein Nedaei
Scissors and shears (both are functionally equivalent, but shears have larger blades for heavier cutting) are essential tools for many workers in different occupations such as agriculture and animal husbandry (e.g., grass shears, pruning shears, blade shears, etc.), food and drugs (e.g., kitchen scissors, poultry shears), grooming (e.g., hair-cutting scissors), metal work (e.g., snips), medical (e.g., medical/surgical scissors) and sewing and clothes-making (e.g., sewing scissors, fabric shears, embroidery scissors, craft scissors). Conventional sewing scissors are straight or have only a slight curve in their handle design, which rarely places the wrist in a neutral position and thereby imposes a considerable biomechanical stress on the anatomical structures of the hand and wrist due to the high frequency of repetitive movements. The results from studies on MSDs among workers involved in different sewing tasks have also shown a relatively high prevalence of hand, wrist and shoulder complaints among these workers [7,12,13], which may partly be attributed to the use of tools such as scissors.