This arrangement can reduce the stress generated on {HEAD ~ the lower side} of {TAIL ~ the cross section} when the extruded aluminum alloy part is bent, so that the extruded aluminum alloy part can be effectively made stronger against deformation 
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This arrangement can reduce the stress generated on { HEAD ~ the lower side } of { TAIL ~ the cross section } when the extruded aluminum alloy part is bent , so that the extruded aluminum alloy part can be effectively made stronger against deformation
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH