Imashini y'umwuka ikoreshwa mu gupakira ishyushya kugirango yoroshye icyo gupakiramo/gupfunyikamo kibonerana mu bryo bwo gupakira ikoresheje umwuka/vacuum. Intego y'iyi mashini ni ukumaramo oxigene, ibipfunitse bikagumana umwimerere wabyo, ntihangemo icyocyere, udukoko dutera indwara, kandi no mu buryo bwo kurinda umugese mu kubika no gutwara neza ibintu.
