00:00A Vietnamese man returned home from the hospital
00:04and his birthday balloon exploded.
00:15A woman was trying to light candles in her cake
00:18when her hydrogen balloon caught fire
00:22and exploded.
00:23The woman had first and second degree burns on her face.
00:27Her face was burned but her eyes were not severely affected.
00:33According to the woman,
00:34she forgot to tell the organizers
00:37that hydrogen balloons can be flammable or can explode.
00:42Other balloons were also burned
00:44but because of the normal wind,
00:46they did not cause a strong explosion.
00:49Hydrogen burns easily
00:51and even a small spark can cause a strong hydrogen explosion.
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