Zippers quality

H Buy a good-quality, padded nylon camera case with corrosion-resistant zippers, and keep your camera and lenses inside until you re ready to shoot. 

Before the implications of the zipper mechanism in terms of reproducible data were fully appreciated, efforts to attain reproducibility commensurate with the quality of the apparatus and the method of operation led to hundreds of degradation runs. Some of these runs... 

Some more commonly used methods forjudging the quality of a zipper are given next. 

Garments are made by joining several patterned substrates together. These substrates can be various types of woven or nonwoven fabric that are joined together or to accessories that could include linings, buttons, zippers, tapes, and decorative pieces. The quality of the joint or seam in terms of strength, durability, permeability, flexibility, and comfort can have a significant effect on the value of the final product. 

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