Liphanele tsa rona tse entsoeng ka aluminium tse nang le lipaterone tsa moetlo ke tharollo e fapaneng bakeng sa merero ea kaho le meralo. Lipaterone tsa perforation li ka ikamahanya le litlhoko tsa hau hantle, tsa u fa bolokolohi ba ho theha chebahalo e ikhethang le ea motho ka mong. Rea tseba hore morero o mong le o mong o fapane, ke ka lebaka leo re fanang ka mefuta e mengata ea ho qeta, e u lumellang hore u khethe ho tsoa ho mebala e fapa-fapaneng le libopeho tse lumellanang hantle le botle ba moralo oa hau.