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. That said, overall consistency and http://sethkradx.educationalimpactblog.com/15029457/datos-sobre-helices-para-veleros-revelados