10Washing and drying the bulk raw material to prevent spoilage also isn’t easy. During WWII, volunteers in Britain occasionally dammed natural streams to wash the seaweeds and used hot air from a bakery to dry them. Praising the concerted efforts of volunteers, the UK Ministry of Supply concluded that “all belligerent countries should have a local source” of agar.
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或者这张带步骤说明的「功夫茶」中文信息图，从排版到意境，都给出了一套可以直接用的视觉方案。