A safety net is in most cases a net to protect people from injury after falling by limiting the distance they fall. It may also be a device to arrest falling or flying objects for the safety of people beyond the net.
Firefighters once used a device called a Life net which allowed people in burning buildings to jump to safety.
Safety nets can be used in construction, building maintenance, sports or acrobatics.
- Safety Net Systems // Occupational Safety & Health Administration
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