HOW ARE SALT MINES EXPLOITED?Which is the most appropriate method to use?
GIVE YOUR OPINION!
Watch the video and see which is the method applied in this case?
Order the letters to form the keywords.
exploitation : _____________ (ningmi); big boom: ______________ (lstab); support: _________ (plarlsi); sculpt: _____________ (recarv); undermine: _____________ (deruncut); bore _____________ (dllri); chamber: ____________ (oomr); liberate pressure __________ (lesreae)
Play the video again and explain the method used. The key words above can help you out!