Every housewife knows that warm sun and a strong breeze make good drying weather. In today's programme Gerd Sommerhoff shows exactly why wind and warmth speed up drying.
for Schools
(to 10.25)
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Every housewife knows that warm sun and a strong breeze make good drying weather. In today's programme Gerd Sommerhoff shows exactly why wind and warmth speed up drying.
for Schools
(to 10.25)
