For example, although aluminum, and particularly 6000 and 7000 series alloys, is believed to be {HEAD ~ a desirable conductor material} in {TAIL ~ terms} of conductivity and weight, other conductors such as copper and its alloys may also be suitable, as noted above 
For example , although aluminum , and particularly 6000 and 7000 series alloys , is believed to be { HEAD ~ a desirable conductor material } in { TAIL ~ terms } of conductivity and weight , other conductors such as copper and its alloys may also be suitable , as noted above
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