Plumbic etc heavy metal can be touched through feeling or breath enters system inside, can appear have a headache, memory drops, the toxic symptom such as limply, indigestion.

• 铅及其他重金属会通过摸触或呼吸进入体内，会出现头痛、记忆力减退、四肢无力、消化不良等中毒症状。