[The working conditions and occupational morbidity of tunnellers engaged in the construction of underground mining installations].

During 1963-1990 professional disease were registered in 336 sinkers (vibration disease--42.6%; hypoacusis--35.1%; silicosis and dust-induced bronchitis--11.3 and 7.4% respectively). The mean morbidity level of professional diseases in sinkers was 12.0 per 1000 (vibration disease--4.9, hypoacusis--6.4). The level of silicosis reduced 2.9 times.