Ibikoresho byo mu cyuma bitagira umwanda bigenewe gukoreshwa hanze kugirango bicare neza mu busitani cyangwa ku materasi. Ikozwe mubyuma bidafite ingese, itanga ubuzima burambye. Biroroshye kubungabunga no kweza. Intebe ziroroshye, zigenewe gukoreshwa hanze kandi zirashobora gukurwaho no gukaraba. Hano hari amabara menshi yo guhitamo.