British Instructional Films presentation.
A lorry pulling a tubular tank pulls into a depot. Written on the side of the tank is: "Towers Creameries - Mitcham." Interior of the depot - large metal containers. The oils are weighed. A man turns on taps which let oil into a vat. C/U of the weight dial of the scales. C/U of pipes with labels: "Hardened Whale", "Hardened Ground Nut", "Palm", "Coconut" and "Ground Nut". Various amounts of dif
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