最近 ,曾某收到某铸造厂的录用通知书后笑得不扰嘴。虽说当铸造工既辛苦 ,而且又脏又累 ,但收入颇丰。曾某按照通知要求到医院进行体检后 ,笑容立即从脸上消失得无影无踪。原来曾某患了肺核病 ,医生说 :“患了这种职业禁忌症 ,是不能从事铸造工作的。职业禁忌症是指由于生产性 Recently, Zengmou received a notice of acceptance of a foundry smile after not laughing. Although the foundry workers are both laborious and dirty, they are profitable. Zengmou in accordance with the notice to the hospital for medical examination, the smile immediately disappeared from the face without a trace. The original Zengmou had tuberculosis, the doctor said: "suffering from this occupational contraindication, is not engaged in casting work. Occupational contraindications are due to the productive