Fire by electric cannon & Hydrogen balloon

Source: vnexpress.net

WHAT	Fire by electric cannon & Hydrogen balloon
WHEN – WHERE – WHO	In Nov 3, 2020 at Vinh Phuc – Vietnam
WHY – HOW	The people in the bar light the electric cannon The sparks from the electric cannon flew into the hydrogen-pumped balloon
DAMAGED	3 female dancers died
LESSONS LEARNED	Person must have knowledge of industrial gases. Should not use H2 for balloon There is an explosion prevention plan and control measures
LINKS	Fire by electric cannon and hydrogen balloon

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