§ Mr. Costainasked the Minister of Transport whether, in view of the number of fatal accidents caused to non-swimmers through wearing life-jackets
Per cent. — 1955 1956 1957 1958 1959 1960 1961 Machinery Non-electrical … … 42.1 34.0 42.3 49.8 30.4 19.7 32.9 Machinery Electrical … … 63.7 59.9 55.7 52.7 50.1 45.2 45.2