In 1978, a dredging gang working for British Waterways was struggling with a problem. They were trying to clear obstacles on the Chesterfield Canal so they could stabilise a concrete wall — not an easy day’s work. But what really had them stumped was a heavy iron chain on the canal bottom. After various attempts, they hooked the chain to their dredger. That did the trick. A firm pull removed the chain and the block of wood on the end of it. The gang took a well-earned break for tea.
1978年，一支為英國水道局(British Waterways)工作的疏浚隊正面臨難題。他們試圖清理切斯特菲爾德運河(Chesterfield Canal)中的障礙物，以便加固一面混凝土墻——這本就不是一項輕松的工作。但真正讓他們很難應對的，是運河底部的一條沉重鐵鏈。經過多次嘗試后，他們終于用挖泥船鉤住了鐵鏈。這次終于奏效了。用力一拉，鐵鏈和末端的木塊一起被拉了上來。隊員們于是痛痛快快地休息，喝起了茶。
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