Because of the time and difficulties which would be encountered in buying a new staking machine, engineers of a Midwestern company converted an old standard arbor press into an air-operated machine, pictured above, which stakes screws in a twenty- millimeter shell booster. The results of the air-powered machine were a definite saving of time and elimination of fatigue which resulted from the operation of manually operated press. The young lady operating the machine was an operator of a machine for making loose-leaf notebook binders before she became employed on war work