—Forget to chalk up the deflection on the main shield in reciprocal laying.
—Forget to set site and level bubble (British).
—Forget to release the brake in trail shifts (British).
—Forget to count “1001, 1002” to preserve proper firing interval.
Dont’s for Number 1:
—Touch the firing handle until you announce “Set.”
—Fire the piece with the right hand.
—Try to throw the drill cartridge over the float by jerking the breech open.
—Slam the breech.
—Fail to level bubbles.