tiān / qì / hěn / rè / gōng / rén / men / dài / shàng / xiù / tào / hòu / cái / kāi / shǐ / bān / yùn / cái / liào

天气很热，工人们戴上袖套后才开始搬运材料。

It was very hot, so the workers put on sleeve covers before starting to move the materials.