Umwenda w'ipamba wamesuwe kandi utarasigwa ibara, udafite ibiwukomeza cyangwa ubwisiga bwa nyuma. Ukoreshwa mu kuyungurura, mu gukarangura, mu gupfunyika no nk'umwenda w'ikizamini mu bushakashatsi bwo gusiga amabara ya kamere. Ipamba ni umusemburo wa seluloze usaba uburyo butandukanye bwo gufata ibara ugereranyije n'imisemburo ya poroteyine nk'ubwoya cyangwa hariri.