Merriam-Webster’s Definition of ERGONOMICS:
1: an applied science concerned with designing and arranging things people use so that the people and things interact most efficiently and safely.
Gun Banner’s Definition of ERGONOMICS:
1: Features of “Assault Weapons” which by their inclusion will cause law-abiding people to mentally “snap” and go on a murderous shooting spree with a weapon of war.
2: Features of any firearm that allow a person to hold it safely. After all, touching a firearm has no purpose other than to enable mass murder.