Elementos de fixação:
Parafusos, arruelas e porcas, rebite, pino, anel elástico;
Transmission elements: Belts, pulleys, gears, shafts, chains, cams, couplings, steel cable;
Connecting elements: Key, clamps;
Elementos de apoio: Mancais de Rolamento, Mancais de Deslizamento, Buchas ou luvas, Guias;
Sealing elements: Flanges, gaskets, O-rings, gaskets, mechanical seals, retainers, joints;
Elementos elásticos: Molas, tipos, forma geométrica, resistencia aos esforços.

NR-12 - Safety at Work in Machinery and Equipment;
ABNT NBR 5462: 1994 - Confiabilidade e mantenabilidade;
ABNT NBR 15154: 2014 - Qualification and certification of maintenance mechanics - Requirements;
ABNT NBR 16748:2019 - Hand tools, abrasive and interchangeable - Recommendations for identification;
ABNT ISO/IEC GUIA 99:2014 - Vocabulário Internacional de Metrologia - Conceitos fundamentais e gerais e termos  associados;
ABNT NBR ISO 9001:2015 - Quality management systems - Requirement