: Heavy use of drum machines or clinical, repetitive live drumming.

Industrial metal is defined by machine-like precision, synthesizers, and distorted vocals. Key tracks from the genre's pioneers include: – "Jesus Built My Hotrod" or "N.W.O." Nine Inch Nails – "Wish" or "Head Like a Hole" Rammstein – "Du Hast" or "Sonne" Fear Factory – "Replica" or "Demanufacture"

: Many artists use "telephonic" or heavily processed vocal effects to sound more robotic or gritty.