Out of 725 young men 92.4% were judged to be fit for work, 7.2% provisionally fit, and 0.4% had to be judged to be unfit. A striking fact is the relatively high proportion of 20.3% of provisionally fit apprentices for work as dockers, in comparison with only 3.5% of apprentices for the activity of able-bodies seamen. This makes it clear that there is a certain selectively in the job selection examination of young men, with high standards for the sense organs in seafarers. In the apprenticeship of dockers the stanadards of the skeletal and muscular systems are not as high in the job selection. All medical findings in the lesser fitness groups were classifiable into the specialities of ophthalmology, orthopaedics, and internal medicine. In the able-bodied seamen apprentices eye conditions predominated, and disorders of the motor apparatus predominated in the docker apprentices. The unfitness was divided equally among the 3 working fields and was restricted to diminution of visual acuity, affections of the vertebral column and hypertension.
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