We were discussing asbestos and lead paint, keep reading the pos

http://bbs.wenxuecity.com/tzlc/1177615.html

 

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• This one is surely relevant. Thanks! -springwell- ♂ (272 bytes) () 04/24/2017 postreply 13:36:10

• lead dust 更糟糕，吸入会引起中毒 -springwell- ♂ (0 bytes) () 04/24/2017 postreply 13:39:59