/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: RonaldGusmo https://cdn.slidesharecdn.com/profile-photo-RonaldGusmo-48x48.jpg?cb=1586443874 Diretor da EPCONS CONSULTORIA, empresa de Eng. Segurança do Trabalho. Rio Grande do Sul/RS.