It is a simile
The sentence is comparing the arms to helicopters blades using *like
Man versus nature Would be Jumanji
Man versus god could be Percy Jackson
Man versus self would be liar liar
Man versus technology the Terminator
Man versus ET could be meet the Robinsons
Oh gosh gosh oh yeah lol yeah I have to get iio up I think was gonna tell you what the iiii I was going through it and