blasting vs land mine

blasting

noun
  • A planned explosion, as in mining. 

  • The act by which something is blasted, or blighted. 

land mine

noun
  • A mine that is placed on land and designed to explode when stepped upon or touched. 

  • A piece of exercise device consisting of a pivoting tube attached to the ground to which a barbell can be fitted to lift it off the ground. 

  • A critical subject or situation with concealed or unpredictable implications. 

How often have the words blasting and land mine occurred in a corpus of books? (source: Google Ngram Viewer )