lyceumpasspapers€¦ · Fig. 4.1 shows the apparatus used. sod modelting clay 50.0 cm mark pivot...
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lyceumpasspapers€¦ · Fig. 4.1 shows the apparatus used. sod modelting clay 50.0 cm mark pivot Fig. 4.1 (a) A student moulds a piece of modelling clay into a cube shape. He places