傳統用的錫壺,酒壺,青銅器,我們從小體育課中用的鉛球都含鉛,
現在很多應用的黃銅也含鉛,多數規定鉛含量不超過4%而已。
Lead is toxic but not that severe as many think unless long-term direct contact. AT&T and Verizon should have no leagal issues from that.
傳統用的錫壺,酒壺,青銅器,我們從小體育課中用的鉛球都含鉛,
現在很多應用的黃銅也含鉛,多數規定鉛含量不超過4%而已。
Lead is toxic but not that severe as many think unless long-term direct contact. AT&T and Verizon should have no leagal issues from that.
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這個是政治風險,誰也不知道左瘋法官會有多瘋
-自了漢-
♂
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07/17/2023 postreply
11:24:52
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5G infrastructure 投資很大,有利於長久,但是導致負債很多
-Rainbows-
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07/17/2023 postreply
12:35:19
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