(5) Cleaning of permanent type air filters
(or replacement of throw-away type);
(6) Spark plugs; belts for generator,
pumps, and similar equipment; and light bulbs;
Repair of tires and tubes;
(9) Battery charging;
( 1 0 ) Washing (where Government-owned
washing facilities are not available and the
expense of moving the vehicle to a support area
exceeds the cost of the commercial washing).
All purchases must be substantiated by a
receipt; the name, grade, and organization of the
driver, the license or registration number of the
vehicle, and its speedometer reading m u s t be
included. All delivery receipts must be turned in at
the completion of each trip.