Kupanga Kusalekeza Kusalekeza - Ndi njira yopititsira patsogolo yopangira, kupangira kumapatsidwa mawonekedwe ofotokozedwa kale mumayendedwe amodzi. Zina mwamagawo omwe amagwiritsidwa ntchito kale ndi ma hydraulic kapena mechanical presses komanso cross rolls. Njira yopitilira imapereka mwayi, makamaka kwa aluminiyamu, kuti njira yayifupi imangokhala ndi kuziziritsa pang'ono kwa gawolo komanso nthawi yayitali yofikira. Choyipa ndichakuti kuchuluka kwa kupanga nthawi zambiri kumakhala kocheperako pakupanga koyambirira, popeza mphamvu zochepa zokha komanso luso lopanga pang'onopang'ono limapezeka pagawoli mkati mwa sitiroko imodzi (yofalitsa) kapena kusintha kamodzi.