Author : Admin
All workers employed in the building construction industry were required to wear protective helmets in 1955. From which of the following can the above statement be validly inferred?
No workers had to wear protective helmets before 1955.
All workers had to wear some type of protective helmets before 1955.
A law was passed in 1955 that workers in the construction industry must wear helmets.
Workers in the construction industry were the first to wear protective helmets.
All workers were required to wear protective helmets from 1955.
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