Hammers/Swiss Cheese/Roller Skates/Coloured Pencils

Series 13 - Episode 1 Hammers/Swiss Cheese/Roller Skates/Coloured Pencils

Sun 3 Dec 1pm - 1:30pm Quest
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Summary

The manufacture of hammers, Swiss cheese, roller skates and coloured pencils, and how their production processes have changed with technological progress.
Science