5 in 1 indoor air quality CO2 monitor KKMOON 2CO3TB E18615B-5 temperature humidity meter bluetooth
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5 in 1 indoor air quality CO2 monitor KKMOON 2CO3TB E18615B-5 temperature humidity meter bluetooth
1:05
ZOP Power LiPo battery 4S 14.8V 1800mAh 65C
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ZOP Power LiPo battery 4S 14.8V 1800mAh 65C
0:06
Interlaced 4K test
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Interlaced 4K test
0:20
Mixing blood with alcohol under microscope
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Mixing blood with alcohol under microscope
10:11
Life in a puddle
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Life in a puddle
11:29
2012 Venus Transit Data - Composite Disk Track
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2012 Venus Transit Data - Composite Disk Track
0:22
Hot country
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Hot country
1:57