—Forget to extend your arm vertically, fingers joined, after the gunner has announced “Ready.” —Fail to caution “With the Lanyard” for the first shot. —Fail to look at both gunner and executive. —Command “Fire;” merely drop your arm. —Fail to designate who shall assist No. 2 when he is unable to shift the trail. —Forget to announce “Volley Complete.” —Forget to select the individual Aiming Points for the gunner. —Forget to announce “No. (so & so) on Aiming Point,” in reciprocal laying. —Ever say “Range 3000,” merely “3000.” =Dont’s for Gunner:= —Forget to place the sight bracket cover in the left axle seat. —Forget to put the sight shank cover in the trail box. —Forget to close the panoramic sight box, and fasten it with your left hand. —Forget to clamp the panoramic sight in its seat. —Forget to close the ports in the shield. —Forget to put your weight against the shoulder guard while laying. —Touch any adjustment after calling “Ready.” —Forget to move your head from the panoramic sight after calling “Ready.” —Lean against the wheel. —Fail to take up lost motion in the proper direction. —Fail to watch the executive after calling “Ready.” —Signal with your hand for movements of the trail. —Fail to identify Aiming Points or Targets. —Fail to secure hood on sight bracket. —Say “Whoa” to No. 2 while the trail is being shifted. Say “Trail Down.” —Fail to lower the top shield at once at the command “March Order.” —Forget to relay vertical hair on A. P. at completion of sweeping volley. —Forget to set range 1000, deflection zero in “Fire at Will.” —Forget to say “Ready” just loud enough for the chief of section to hear. —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. —Fail to set and release brake in trail shifts. —Fail to look squarely at the scales of the quadrant. —Fail to take up lost motion properly. —Forget to close the quadrant box. —Fire the piece until the command is given. —Lean against the wheel. —Forget to keep up with the range in direct laying. —Forget to lower the top shield immediately at “March Order.” —Talk. =Dont’s for Number 2:= —Throw the breech cover on the ground. —Fail to engage the handspike. —Slam the apron. —Put feet on the float. —Wait for the command in shifts of 50 mils or more. —Move the trail in a series of shifts. —Fail to mark off 11 lines 50 mils apart at once on taking your post. —Fail to secure the breech cover. —Fail to secure the handspike in “March Order.”