Kupaka pamsika masiku ano, kugwiritsa ntchito ukadaulo wa vacuum, makina ojambulira vacuum pakugwira ntchito kwakhala kotchuka kwambiri ndi opanga chakudya, chifukwa pambuyo pa makina onyamula, mankhwalawa amatha kupewa ngakhale mawonekedwe a metamorphic addled, ndikuthandizira kusungidwa. za mayendedwe abwinobwino, ndizofunika kwambiri.

