Biomassa
http://www.inovmaq.pt/component/option,com_contact/Itemid,79/
http://www.jfj.pt/catalogo/list/categoria_id/412/cat/m
http://www.eccast.pt/briquetadoras.html
http://www.youtube.com/watch?v=OI84eJW14CM
http://www.youtube.com/watch?v=AWYQiOXsDI4&feature=related
http://www.youtube.com/watch?v=RwhRmUof26E&feature=related
http://www.youtube.com/watch?v=1pxoPOR9GuM
http://www.youtube.com/watch?v=rXbjOlQJMGg&feature=related
http://www.youtube.com/watch?v=-hU0GVq_BVo&feature=related
http://www.youtube.com/watch?v=NcaOkmRUHFw&feature=related
http://sites.google.com/site/eudorapt/produtos/equipamentos/maquinas-de-briquetes