RESEARCH AND APPLICATION OF FUNCTIONAL ELEMENTS AND NEWLY DEFINED FUNCTION SYMBOLS FOR MECHANICAL HANDLING SYSTEMS. ASEAN Engineering Journal, [S. l.], v. 5, n. 2, p. 28–37, 2014. DOI: 10.11113/aej.v5.15459. Disponível em: https://journals.utm.my/aej/article/view/15459.. Acesso em: 6 apr. 2025.