ABSTRACT
Longcenter-Longcenterisalsoknownasfullcenter,longmiddle,centerwave,andloosecenter.It isproducedbyagradualdecreaseofthestripelongationacrosstheentirewidthofthestripfromits centertowardbothedges.
Longedges-Longedgesarealsoknownasedgewaves.Thisshapeisproducedbyagradual increaseofthestripelongationacrosstheentirewidthofthestripfromitscentertowardbothedges.A single-sidelongedgeisknownasbadleveling.