GOST 16504-1981 The state system of testing products. Product test and quality inspection. General terms and definitions
GOST 18322-1978 Equipment maintenance and repair system. Terms and definitions
GOST 20911-1989 Technical diagnostics. Terms and definitions
GOST 21623-1976 System of technical maintenance and repair of equipment. Characteristics for evaluation of maintainability and rapairability. Terms and definitions