Helices Perro be either right-handed or left-handed. With the line of sight along the helix's axis, if a clockwise screwing motion moves the helix away from the observer, then it is called a right-handed helix; if towards the observer, then it is a left-handed helix. Productos que has pasado recientemente http://lorenzozophn.thezenweb.com/Una-llave-simple-para-helices-para-veleros-Unveiled-33430394