Although {HEAD ~ the clamps} of {TAIL ~ the present invention} are preferably made of metallic materials, in some instances, the clamps may be utilized as light weight clips by manufacturing the clamps from various types of plastic materials 
of
Although { HEAD ~ the clamps } of { TAIL ~ the present invention } are preferably made of metallic materials , in some instances , the clamps may be utilized as light weight clips by manufacturing the clamps from various types of plastic materials
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