No. 2: Bore, chamber, gas-check seat, and breech-recess.

No. 3: Lanyard. (He coils it properly.)

No. 4: Muzzle-cover. (Removes it and places it aside.)

Nos. 5 and 6: Elevating-gear and recoil-cylinders.

Nos. 7 and 8: Traversing-gear. No. 8 clears vent and wipes primer-seat.

Nos. 9 and 10: Trucks.

Q. After examining gun, what changes in posts are made?

A. The chief of detachment and gunner go wherever their presence is necessary. No. 7 takes post at the door of the cartridge-room.

Q. Give the duties of each member of the detachment at the command "Load!"

A. Gun commander operates switches and firing-plug. Observes all detachments.