Anyone else used to eat paper when they was in 2nd grade

The functioning of an electron transport chain is analogous to a) a slinky toy going down a flight of stairs. b) a canoe going over a waterfall. c) a person climbing a flight of stairs one step at a time. d) a person leaping from the top to the bottom of a flight of stairs in one jump.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

What organization and environment is described above?