Bokaholimo ba materase ho fana ka bonolo bo loketseng le ho tenyetseha

E le ho lumella bareki ba nang le bokhoni ba ho sebelisa chelete e ngata ba tlameha ho bitsa chelete e ngata holim'a materase a hae a hahiloeng ka selemo, li-simmons li ile tsa khothalletsa melemo ea ho robala. Katleho ea leano la ho rekisa ka lilemo tse ngata e ntse e eketseha, hobane lithuto tse latelang li tiisitse hore boroko bo ruileng, bo phahameng ke karolo ea motheo ea bophelo bo botle. Materase a bonolo kajeno ka mekhoa e fapaneng ea ho ntlafatsa boiketlo ba boroko. Pele ho tsohle, ka mefuta e fapaneng e ntlafalitsoeng ea moralo oa selemo o hahiloeng, materase a sejoale-joale ho ajoa boima ba 'mele sebakeng se pharaletseng; E boetse e thusa ho thibela materase a mefuta e fapaneng ea ho taboha. Ho phaella moo, holim'a materase ho fana ka loketseng bonolo le tenyetsehang, 'me thusa ho boloka lesapo la mokokotlo boemong ba mothinya tlhaho. Baetsi ba mehleng ea kajeno ea materase, leha ho le joalo, ba hlokolosi ho qoba holimo ka mokhoa o feteletseng o bonolo, o sotha boroko boemo ba mokokotlo, bo lebisa ho sa thabiseng kapa esita le bohloko. Hajoale, tlhoko ea bareki ea materase e batla e tšoana. Lithekiso United States, ka 1990, materase a ka bang limilione tse 16. Hammoho le setsi, thekiso ea mabenkele ea materase e ka bang lidolara tse limilione tse likete tse 4. Ntle le lik'hamphani tse 'maloa tse kholo, boholo ba baetsi ba materase ke likhoebo tse nyane, tse thehiloeng sechabeng. United States, lifektheri tse ka bang 825 tsa materase, tseo boholo ba tsona li ntseng li e-na le malapa a batho ba theiloeng. Matsatsing ana, materase a mangata a entsoe ho latela boholo bo tloaelehileng. E qalileng ke indasteri, e sebelisetsoang ho rarolla k'hamphani ea tlhahiso e nang le materase a bethe ea phapang leha e le efe ea boholo pakeng tsa lik'hamphani