Lifting or manual handling of objects is the major factor in most back-related strains. ... 3. a. tasks above the MPL should require engineering controls, b. tasks between the MPL and AL should require administrative or ... comprehensive Medical Service was established within the JCB for NSW in 1947, as had been recommended by the Commission of Inquiry for ... To illustrate this point, in a series of 214 cases of complicated pneumoconiosis reported in the UK in 1949, the incidence ofanbsp;...
|Title||:||Australasian coal mining practice|
|Author||:||C. H. Martin|