工作人员 / 连夜 / 处理 / 泄漏物 / 务必 / 将 / 残留物 / 清除 / 净尽

工作人员连夜处理泄漏物，务必将残留物清除净尽。

The staff worked through the night to deal with the spill and make sure all residue was completely removed.