Fire Extinguisher Using Sound Waves

Moment at 1:21 in Pamatay-sunog na gumagamit ng sound wave energy, dinevelop ng ilang estudyante mula sa... | 24 Oras by GMA News.

Pamatay-sunog na gumagamit ng sound wave energy, dinevelop ng ilang estudyante mula sa... | 24 Oras

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