As such, the Mass Transit Railway (MTR) added platform safety doors to all of its 84 stations, finishing the multi-year construction project in 2011.

BBC: Subway systems by the numbers

In Hong Kong, a 2008 study by the University of Hong Kong found that installing platform safety doors resulted in a 60% reduction in railway suicides.

BBC: Subway systems by the numbers

Visitors to an offshore drilling rig or production platform receive safety training and are outfitted with steel-toed boots, safety goggles, gloves, hearing protection, and a helmet.

FORBES: Oil & Gas Isn't Just One Of The Richest Industries, It's Also One Of The Safest