Report Mr. Hoffman by direction of the Committee on Expenditures in the Executive Departments Tire repair and retread - USA Voorschrift, Technical Manual, 9-1868 Insect and rodent control : repairs and utilities - USA Voorschrift, Technical Manual, 5-632 Steam, hot-water and gas distribution systems : Repairs and utilities - USA Voorschrift, Technical Manual, 5-652 Grounds maintenance, dust and erosion control : Repairs and utilities - USA Voorschrift, Technical Manual, 5-630 Inspections and Preventive Maintenance Services for Buildings and Structures, Grouds, Roads and Pavements, Railroads - USA Voorschrift, Technical Manual, 5-610 Inspections and preventive maintenance services : Sewage treatment plants and sewer systems at fixed installations - USA Voorschrift, Technical Manual, 5-666 Thermographs ML-77 and ML-277 - USA Voorschrift, Technical Manual, 11-426 Meteorological balloons - USA Voorschrift, Technical Manual, 11-2405 Pilot balloon tables (30-gram) - USA Voorschrift, Technical Manual, 11-2410 Carburetors (Carter) : ordnance maintenance - USA Voorschrift, Technical Manual, 9-1826A Truck, fork-lift, Clark carloader (gasoline) - USA Voorschrift, Technical Manual, 10-1638