비소(As)는 회색의 부서지기 쉬운 준금속 고체이다. 주로 황화물 형태로 여러 광물에 함유되어 있으나 일부 순수한 원소 형태로도 존재한다. 회색, 흑색, 검은색 등의 3가지 동소체가 있는데 가장 흔하고 안정적인 동소체는 회색 비소로서 금속비소 또는 알파비소라고도 부른다. 비소 및 비소화합물은 집적회로, 발광다이오드, 배터리 등의 산업분야에 사용되고 있다.
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간호사 박씨는 “신입 간호사로 들어와도 선임 간호사가 아닌 간호조무사에게 배우는 경우도 있다고 들었다. 간호사와 간호조무사는 확실히 다른데도 불구하고 먼저 입사한 간호조무사들이 텃세를 부리는 것으로 알고 있다. 간호사가 대부분인 환경에서 일을 하고 싶기에 간호사들 사이에서 한의사 병원이나 한의원을 기피하는 분위기가 암암리에 있다”고 이야기했다.
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