Последние добавленные видео:
Properties-of-Plastics
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6 years ago
106881 6 years ago 3:25Properties of Plastics - Part 1 | Don't Memorise
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2 years ago
1008 2 years ago 5:22National 4: Properties of plastics
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7 years ago
180235 7 years ago 4:037 Different Types of Plastic and Their Uses | Orange Plastics Academy
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4 years ago
204 4 years ago 10:30Lab B18 Properties of Plastics
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4 years ago
2778 4 years ago 9:26Unbelievable Properties of Plastics Pt 1
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3 months ago
269 3 months ago 6:05Properties and uses of plastic | Middle School Science | Khan Academy
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6 days ago
0 6 days ago 4:28What Are The Different Properties Of Plastic? - Science Through Time
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6 years ago
39 6 years ago 1:08Properties of Plastics - Part 1
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5 years ago
135 5 years ago 1:37F 3 Chemistry Useful properties of plastics 1 Introduction -A
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7 years ago
32867 7 years ago 9:12Properties of Materials: Types of Plastics
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4 years ago
33 4 years ago 3:51Properties of Plastic
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2 years ago
7070 2 years ago 4:57Understanding the Different Properties of Plastic Materials
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7 months ago
6 7 months ago 3:50Properties of plastics
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14 years ago
9645 14 years ago 2:16QUEST Lab: Properties of Plastic - KQED QUEST
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7 years ago
194 7 years ago 9:52B18 Properties of Plastic
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5 years ago
113 5 years ago 2:29Properties of plastics
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5 years ago
474 5 years ago 22:17Properties of plastic as a construction material