LEHO ho sekama ka potlako ho etsa hore lihokelo tsa hau tsa ho epa li be le bokhoni ba ho sekama hanghang, bo ka sekamisoang ka botlalo ka likhato tse 90 ka nqa tse peli, tse loketseng baepolli ba lintho tsa khale ho tloha ho lithane tse 0.8 ho isa ho tse 22.