<Li> 1974--large scale conversion across industries, including packaged grains, dairy products, eggs, building, timber, paper, printing, meteorological services, postal services, communications, road transport, travel, textiles, gas, electricity, surveying, sport, water supply, mining, metallurgy, chemicals, petroleum and automotive services . Most beverages, aside from spirits, also converted to metric units by the end of the year . The conversion of road signs took place in July . There was a publicity campaign to prepare the public . </Li> <Li> 1976--the building and construction industry completed its change to metric measurements (within two years) by January . </Li> <Li> 1977--all packaged goods were labelled in metric units, and the air transport, food, energy, machine tool, electronic, electrical engineering and appliance manufacturing industries converted . </Li> <Li> 1987--the real estate industry, the last major industry holdout, converted to metric . </Li>

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