Black workers collect sap from gum trees in South Africa, much needed rubber is extracted.
Part of issue HI-DE-HI.
Various shots of gum trees (aka Euphorbia) growing on hills. Various shots of black workers extracting the sap (aka latex) from the trees. A white supervisor tests purity of sap. Various shots of barrels of sap being loaded onto trucks. The sap is delivered to a processing plant at Mount Edgecom. Various shots of industrial process to clarify sap and separate the resin for the rubber. The gum trees provide much needed rubber for war effort.