Palewa ressedana kuma kiran sukarin foda ko sukarin kwamfutar hannu, wanda kuma aka sani da sukarin soda. Yana da cakuda foda mai ladabi mai ladabi a matsayin babban jiki, madara foda, kayan yaji da sauran kayan aiki, sitaci syrup, dextrin, gelatin da sauran adhesives, waɗanda aka granulated da tableted. Ba ya buƙatar zafi da tafasa, don haka ana kiranta fasahar sarrafa sanyi.
Nau'in alawa da aka matse:
(1)Sugar da aka matse alewa
(2) Alawa mai matsi da yawa
(3) Alwala da aka danne
(4) Candy mai matsewa mai iya taunawa
(5)An yi ta hanyar gama gari
Tsarin masana'anta na alewa da aka matse galibi tsari ne wanda aka rage nisan granules ko foda mai kyau don samar da isasshen haɗin kai ta hanyar matsa lamba don haɗawa sosai. Yankin tuntuɓar tsakanin ɓangarorin da ba a kwance ba ƙanƙanta ne kuma nisa babba ne. Akwai haɗin kai kawai a cikin barbashi, amma babu mannewa tsakanin barbashi. Akwai babban tazara tsakanin barbashi, kuma ratar tana cike da iska. Bayan an matsawa, barbashi suna zamewa da matsewa sosai, nisa da rata tsakanin barbashi sannu a hankali, iska tana fitowa a hankali, ana murƙushe ɓangarorin da yawa ko lu'ulu'u, ana danna guntuwar don cike gibin. Lokacin da barbashi suka kai wani matsa lamba, jan hankali na intermolecular ya isa ya sa barbashi su haɗa cikin takarda duka.