Heat, oxygen and fuel form the fire triangle .

热量、氧气和燃料是火的三要素。

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What are the three components of the Fire Triangle?

消防三角形的三个组成部分是甚么？

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Firefighters often talk about the fire triangle when they are trying to put out a blaze.

消防员在灭火时常常提到这三要素。

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Seiko of Japan was shocked by the blocked doors, and lack of fire safety equipment in the Triangle Factory.

VOA: special.2011.03.18

And this March 25th is the 100th anniversary of the horrific 1911 New York City Triangle Shirtwaist Factory fire (one of the all time worst U.S. industrial accidents, which took 146 lives).

FORBES: Post Fukushima-- burn more coal and oil, and hire more engineers not regulators