The technician removed a thick incrustation of mineral deposits from the office coffee machine.

技術人員清除了辦公室咖啡機上厚厚一層礦物質硬殼。

Inspectors found salt incrustation on several shipping containers stored near the harbor.

檢查員發現存放在港口附近的幾個貨櫃上有鹽分結成的硬殼。

The hotel closed its pool briefly to clean the incrustation along the filter pipes.

飯店暫時關閉泳池，以清理過濾管線上的硬垢。