Waa hoggaamiye xasilin ku saleysan maadada oo ay ku jiraan saliid gudaha iyo dibedda ah. Waxaa loo isticmaalaa soo saarida tuubooyin PCV ah. Waxeey heesataa
waxqabadka waxqabadka wanaagsan ee isku-dhafka calendaring. Saamayn kuma yeelan doono fiditaanka, dhalaalka iyo nadiifinta, xitaa dhumucda
alaabta marka alaabada buuxintu ay isbedbeddelayso. Badanaa, uma baahnid inaad ku darto saliidaha kale.