1) Mine disposal 
Minesweeping is the practice of the removal of explosive naval mines, usually by a specially designed ship called a minesweeper using various measures to either capture or detonate the mines, but sometimes also with an aircraft made for that purpose. Minesweeping has been practiced since the advent of naval mining in 1855 in the Crimean War. The f...
Minesweeping is British slang for stealing drinks from the tables of bars or discotheques while the owners are away dancing.
[n] - the activity of detecting and disposing of marine mines
noun the activity of detecting and disposing of marine mines