S08E04 Deep Cycle Batteries, Tins, Optical Lenses Episode
Deep Cycle Batteries, Tins, Optical Lenses
This episode demonstrates the production processes for deep-cycle batteries, tins and optical lenses, and shows how each is made.
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ក្រដាសផ្សព្វផ្សាយ
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Backdrops
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តំណដែលគួរឲ្យចាប់អារម្មណ៍
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អត្ថបទរឿង
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ថ្រេល័រ