Safety

5. a device used to ensure that machines remain inoperable while repairs or adjustments are made
7. an injury appearing as an area of discolored skin on the body, caused by a blow or impact rupturing underlying blood vessels
8. rub or cause to rub by accident against a rough or hard surface, causing damage or injury
10. close-fitting eyeglasses with side shields, for protecting the eyes from glare, dust, water, etc
11. a rigid protective helmet, as worn by factory and building workers
12. the condition of being protected from or unlikely to cause danger, risk, or injury

1. move downward, typically rapidly and freely without control, from a higher to a lower level
2. a covering for the hand worn for protection against cold or dirt and typically having separate parts for each finger and the thumb
3. make an opening, incision, or wound in (something) with a sharp-edged tool or object
4. an unfortunate incident that happens unexpectedly and unintentionally, typically resulting in damage or injury.
6. slide unintentionally for a short distance, typically losing one's balance or footing
9. a protective or decorative garment worn over the front of one's clothes and tied at the back
11. a danger or risk
13. catch one's foot on something and stumble or fall