请问谁知道这段英文的意思：

题目

请问谁知道这段英文的意思：
Note:Exempt under ROHS/WEEE Directive 2002/95/EC Annex6-Lead as an alloying element in steel containing up to 0.35% lead by weight,aluminium containing up to 0.4% lead by weight and copper alloy containing up to 4% lead by weight

答案

注:根据RoHS指令豁免/指令WEEE指令2002/95/ecannex6铅作为一种合金元素,钢铁含有铅的重量高达0.35%,含有铝 按重量达0.4%,铜铅合金的含铅量高达4%