ABSTRACT

Longcenter-Longcenterisalsoknownasfullcenter,longmiddle,centerwave,andloosecenter.It isproducedbyagradualdecreaseofthestripelongationacrosstheentirewidthofthestripfromits centertowardbothedges.

Longedges-Longedgesarealsoknownasedgewaves.Thisshapeisproducedbyagradual increaseofthestripelongationacrosstheentirewidthofthestripfromitscentertowardbothedges.A single-sidelongedgeisknownasbadleveling.