We had a visitor from Thermo King today.
His name is Derek and he is the dad of one of the boys in our class.
Derek told us all about refrigeration and heating units that are on trucks to keep produce warm or cold.
Derek showed us pictures of the refrigerated trucks down through the decades which was really interesting, and we saw the gadget that allows stocktaking.
It was such an interesting talk, thank you so much Derek.
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