PU shine gajartawar Polyurethane, kuma sunan Sinanci shine Polyurethane.
Manna sutura galibi ya ƙunshi goyan baya (tape ɗin takarda), kushin sha da takarda keɓewa, an kasu kashi goma bisa ga girma dabam dabam. Ya kamata samfurin ya zama bakararre.
Band-aid shine dogon tef ɗin da aka haɗe tare da gauze na magani a tsakiya, wanda ake shafa wa rauni don kare raunin, dakatar da zubar jini na ɗan lokaci, tsayayya da farfadowar ƙwayoyin cuta da hana raunin sake lalacewa.
Samfurin an yi shi da masana'anta mara saƙa na likita, 70% barasa na likita.