Un arma secreta para helices para veleros

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Helices can 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. introducción de la propulsión de http://titusgjfgc.fireblogz.com/20859759/5-hechos-f-cil-sobre-helices-para-veleros-descritos


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