Activity 4.13
Complete the sentences with 'halve', 'double', 'triple'.
Task: The charts below show the number of workplace injuries, per year, at a factory and the actions that were taken to reduce injuries, between 1985 and 1995.

- In 1990, after the new machines were introduced, the injury rate
- In 1993, safety classes were introduced for all staff, and it seems that this the injury rate.
- When the safety classes were replaced by a safety manual in 1995, the injury rate
- In spite of the Health and Safety activities, the injury rate between 1988
and 1995.
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