Videos 1 - 10 for Ytterbium

00:33 -16 days ago
Laser system for sale on ebay, item # 190349304687 Fiber laser marking system.
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02:11 -20 days ago
Rosie Lapid,Rocile Magay,Archie Abnormal
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02:13 -20 days ago
Rosie Lapid,Rocile Magay,Archie Abnormal
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00:37 -20 days ago
Rommel Griffith Habaradas
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01:35 -23 days ago
and gallium, And iodine and thorium and thulium and thallium. There's yttrium, ytterbium, actinium, rubidium, And boron, gadolinium, niobium, iridium, And strontium and ...
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01:08 -25 days ago
gallium, (gasp) And iodine and thorium and thulium and thallium. There's yttrium, ytterbium, actinium, rubidium, And boron, gadolinium, niobium, iridium, And strontium and ...
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02:01 -27 days ago
for science class
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06:27 -28 days ago
UPLB febfair 2009...
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00:15 -1 month ago

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01:25 -1 month ago
and gallium And iodine and thorium and thulium and thallium. There's yttrium, ytterbium, actinium, rubidium And boron, gadolinium, niobium, iridium And strontium and silicon ...
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