drilling rig vs lorry

drilling rig

noun
  • An oil rig. 

  • Used other than figuratively or idiomatically: see drilling, rig. 

lorry

noun
  • A large and heavy motor vehicle designed to carry goods or soldiers; a truck 

  • a truck with an open carriage 

verb
  • To transport by, or as if by, lorry. 

How often have the words drilling rig and lorry occurred in a corpus of books? (source: Google Ngram Viewer )