Ukuthi Iziphakamiso Zokugcina Njengoko Kuyisikhombisa Sokugcina Isitha Sizoba Ngani Ukuthi Isitha Sizoba Esibonakalayo?

Ukubonakala kwezitha kuyisibopho sokugcina konke okuphumelelayo kokubhala, futhi ukuziqonda ukuthi iziphakamiso zokugcina ziyenza kanjani lokhu okubalulekile ngokwesibopho kungakhomba umahluko phakathi kwezinto ezinomthwalo wokubhala nezinto ezingathwali. Isikhombisa sokugcina isitha siyisiphepho esibalulekile kakhulu kweziphakamiso zokugcina, sisebenzisa izindlela zokusebenza zokugcina ukuze sibuye sibone isitha esingasemthwalo, esingasemthwalo, ukuze sibone isitha esisodwa, esinomthwalo, esinokuthuthukisa konke okusukela emabhotshini amadala kuze kumaphrojekthi amakhulu okubhala.

Inqubo lapho i-roller yomgwaqo iqinisekisa ukuzinza kwenhlabathi ihilela izindlela eziningi ezixhumene ndawonye ezisebenza ndawonye ukuze zisuse izikhala zomoya, zandise ukuxhumana kwezinhlayiya, futhi zenze inhlabathi ibe nethamo elihle. Ngokusebenzisa amandla okucindezela, amandla okudlidliza, namasu asebenzayo aqondile, le mishini yokuncibilikisa iguqula izakhiwo zomhlabathi ezingeni lama-molecule, yakha isisekelo esiqinile esidingwa ukwakhiwa kwanamuhla.

Isayensi Eyenza Ama-roller Omgwaqo Aqiniswe

Izimiso Zokusebenzisa Amandla Ase-Static

Indlela eyisisekelo umqulu womgwaqo oqinisekisa ngayo ukuzinza kwenhlabathi iqala ngokusetshenziswa kwamandla angashintshi phezu kwenhlabathi. Lapho isigubhu esindayo somqulu womgwaqo sihamba emhlabathini ongasebenzi kahle, sicindezela kakhulu ukuze izingxenye zomhlabathi zixhumane eduze. Le nqubo yokucindezela inciphisa ivolumu yezikhala zomoya phakathi kwezinhlayiya, okwenza umhlabathi ube namandla amakhulu okucindezela.

Ukuhambisana kwe-compact static kuyaphendula eminye imiphumela eyinkulu, kubantu okukodwa ukhulu kwe-roller yomhlaba, indawo yokuhambisana kwe-drum, nokuthi kungakanani umsindo wamafutha okuphakanyiswa. Amakhompyutha amakhulu kwe-roller yomhlaba angakwenzela umthelela omkhulu we-force static, kodwa umbandelo phakathi kwekhulu ne-kuhambisana kuyakhiwa ngokungalingani. Ukugcina kwe-force leyi kusuka ku-drum kuyadetermina njengani ukuhambisana kwe-energy kuyagcinwa kumatrix yamafutha.

Amathithi amahlanu ayihlukanisa ngokulinganayo iimvume zokuhambisana kwe-static ozinikwa ngumsebenzisi wemikhompyutha yomhlaba. Amathithi athi aqondene, njenge-clays, ayidinga ukusebenzisa i-pressure static ezinye kunamathithi athi aqondene ngezinye njenge-sands ne-gravels. Umsebenzisi wemikhompyutha yomhlaba kufanele aqonde lezi zindlela zokusebenza zokuhambisana zokufana nomthithi ukuze akwazi ukufumana iziphumo zokuhambisana ezipheleleyo futhi uqinisekise ukuthi amafutha ayisibonelo esidlonge.

Imithombo YokuHambisana Ngokuvibrating

Izinkampani zokuphakama kwezindawo zezinsuku zezinsuku zisebenzisa izinhlangano zokuphakama okuzokwenzeka ngokuphakama kwemithombo ekhona kuphela, okukhulu kakhulu kungaphandle kokuphakama kwemithombo ekhona kuphela. Umqondo wokuphakama wakha izihlangothi ezizokubhekana ngokuphelele emhlabathini, ekuvuleni izihlangothi zokugcina izinye izinto futhi ekuvumela ukuthi izinye izinto zibuye zihambisane ngokuphelele emhlabathini. Lokhu kukhona kwezinsuku zezinsuku zokuphakama okuphelele kuyakusiza ukuthi izinkampani zokuphakama zifikelela ekuphakamiseni kahle kwezinsuku zezinsuku ngaphezu kwezinsuku zezinsuku zokuphakama okuphelele.

Ukuphakama nokuphakama kwezinhlangano zokuphakama zokuphakama kufanele kubhekwe ngokuphelele ngokuphakama kwezinsuku zezinsuku nezinkinga zokusebenza. Ukuphakama okuphelele kusho ukuthi kufanele kubhekwe ngokuphelele ngokuphakama kwezinsuku zezinsuku, ngakho-ke ukuphakama okuphelele kusho ukuthi kufanele kubhekwe ngokuphelele ngokuphakama kwezinsuku zezinsuku. Isikhombisa sokuphakama sezinkampani zokuphakama sivumela ukuthi izinsuku zezinsuku ziyakwenzeka ngokuphakama kwezinsuku zezinsuku, ekuvula ukuthi izinye izinto ziyakwenzeka ngokuphakama kwezinsuku zezinsuku futhi ekuvumela ukuthi ziyakwenzeka ngokuphakama kwezinsuku zezinsuku.

Ubude bekuthinta okwenziwa ngokugcina ngokuphakama kwe-roller yemvilophu kubiza kakhulu ngaphezulu kwebhodi yokuqondana ngokushesha. Lokhu kuthinta okuphakamile kusinika ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke zokugcina, kodwa kubonakalisa ukuthi ubukhulu bakwesilayi bungabonakala kuphela emva kwezikhathi zonke z......

Ukuvuselela Ubukhulu Bakwesilayi Ngamandla Okugcina Kwemvilophu

Ukufikwa Emazini Okubhekana Nokubhekana

Ubukhulu bakwesilayi buphakanyiswe ngokuzimisela ukufikwa emazini okubhekana, futhi imvilophu yisikhombisa esisodwa ekufikeni lezizindikimba zokubhekana. Izisombululo zokwakha zihlala ziqiniseka ukuthi isilayi sifike kumkhakha wokubhekana kwe-dry density, okungaba phakathi kwe-95% kanye ne-98% ngokuchaza kwezindlela zokusebenza. Umsebenzi wokugcina wemvilophu waphakanya ubukhulu bakwesilayi ngokuphakama ngamapasi amaningi ukuze akwazi ukufikwa emazini.

Inombolo yezindilingo zokugcina kwe-roller yomlilo iyahlukahluka kakhulu ngokubonakalisa isitha, ubuninzi bewater, nokuphakamisa kwelift. Indlingo ngayinye yomlilo wemlilo inikela umsebenzi wokugcina okudala, kodwa ubukhulu bezindlingo ezilandelayo ziyahlukahluka njengoba isitha sifika emaphakathini akhe amandla okugcina. Ukuziqonda lokhu kusiza abasebenzi ukuthatha izinketho zokusebenza komlilo wemlilo ngokuhle kanye nokuhle.

Ukujabula ukufikwa kwe-density ngokusebenza komlilo wemlilo kudinga ukuthenga nokubonisa ngokuthembekile. Imithambo yokujabula i-density yasekhaya, njengezindlela zokujabula nge-nuclear gauge noma izindlela zokujabula nge-sand cone, zinikela impendulo yasekhaya ngokugcina. Lokhu kusiza abasebenzi ukuthatha izinketho zabo i-Roller yomgwaqo ngokuthenga nokubonisa ukuthi izinkinga zokuhlala kwe-isitha zizofikwa ngokuphelele kwenqubo yezindawo zonke zomshado.

Ukuphatha Ubuninzi bwezilwane Ukufuna Ukugcina Okuhle

Ukuhlanganisa kwezinkambo zomphakathi nesikhundla sokusebenza kwe-roller yomphakathi kusenza umsebenzi omkhulu ekufuneni ukuthi umphakathi uqinisekiswe. Umphakathi wasezinsizini ungenza njengokuphatha okuhambisana phakathi kwamaphakathi ngokusebenza kokugcina, ukunciphisa ukuchitha nokuvumela ukuguqula kahle ngokusebenza kwezindawo zokugcina zomphakathi wasezinsizini. Kodwa, umphakathi ongafanele (okungukho okuningi noma okuncane) kungahlinzeka kakhulu ukusebenza kokugcina.

Umphakathi wokuzimisa okuhle uyahlukahluka ngokwahlukaniswa komphakathi, kodwa amaphakathi aphezulu ayigcina ngokuhle uma umphakathi uphakathi kwezinkambo zokuzimisa okuhle ozibhekene nazo abaprofesi bethu bazi ngokuthi 'umphakathi wokuzimisa okuhle.' Uma usebenzisa i-roller yomphakathi emphakathini ngokuzimisa okuhle, isiphiwo sokugcina sisebenza ngokuhle kakhulu ekwakha indawo yokuqinisekisa ngokungafanele kwezinkambo zomphakathi noma kubhekene nezinkinga zokungagcina kahle phakathi kwamaphakathi.

Abasebenzisi babenqamuka kwezikhathi zokubhala nokusebenza kwezinhlobo zemvula zokuphakanyiswa kwesandla. Isandla esisodwa kakhulu siyabonisa ukuthi kuyaphakanywa, kuyadluliswa, noma kuyadluliswa kakhulu ngaphansi kwesandla yokuqhamuka, futhi isandla esingasodwa kakhulu singathinteka kwezinqamuzo futhi singafiki kuphakade lokugcina ngokuphakanyiswa kakhulu ngeminye imikhombolo. Ukuguqula umkhawulo wemvula ngokudonsa amanzi noma ngokuphakanyiswa kwesikhathi sokususa amanzi kusiza isandla yokuphakanyiswa ukusebenza ngokwesikhathi esihle.

Ukukhulula Amaphuzu Amanzi Futhi Ukufikwa Kwezinkambo Zokuhlanganisa

Ukujwayeleka Kwokukhulula Amaphuzu Amanzi

Amaphuzu okuhlangana kwezindawo ezingenakho kwezinsila ziyabonakalisa izindawo ezinde zokungafanele, futhi umsebenzi wokuphakeme kwezinsila ziyakubhekisa ekususelweni kwezindawo ezingenakho ngokusebenzisa ukuphakema okuphelele. Uma izinsila zinamaphuzu amaningi okuhlangana, azingabi nokuqondana kwezincwadi zokufaka isibindi esikhulu. Umkhondo wokuphakema nokuzimela kwezinsila kuyabulawa amaphuzu emkhondo yezinsila ngokuvumela izincwadi zokufaka ngokugcina.

Ukuphakema kwamaphuzu okuhlangana ngokusebenzisa izinsila ziyakuphakama ngokuphakama kwezinkambo eziningi. Izinkambo zokuphakama kwezinsila ziyabhekisa kakhulu kwezindawo zokuhlangana kwezinye nezinye zezindawo zokuhlangana kwezinye, futhi izinkambo ezilandelayo ziyabhekisa kwezindawo eziningi kwezindawo zokuphakama. Lokhu kukhombisa ukuthi ukuphakama kwezindawo zokuhlangana kuyakuphakama ngokulinganayo kwezinsila zonke.

Ukubala kwemiphumela yokungena kwe-void yezinyawo kusiza ekuboneni ngokushesha ukusebenza kwe-road roller kanye nokufikwa kokuphakanyiswa kwesibonelo sokuphakanyiswa kwezinyawo. Ukuzivocavoca emlabathini kwezinyawo eziphakanyisiwe kusiza ukuthi zithole amaphuzu okungena kwe-void kanye nezinhlobo zezinyawo, okuxhumana ngqo nesizinda sezinyawo njenge-ukuphakanyiswa kwezinyawo, ukudlula kwamandla, nokuthintana kwezinyawo. Ukusebenza kwe-road roller okuhle kufanele kuhlize amaphuzu okungena kwe-void kuze kube yizinto ezinconywa ukuthi zisiza kuzinhlaka zezinyawo zokuphakanyiswa.

Ukudala Ukuphakanyiswa Kwezinyawo Ngokuhle

Ngaphezu kwekuphakanyiswa kokuphakanyiswa kwezinyawo kuphela, i-road roller isiza ekudaleni izindlela zokuphakanyiswa kwezinyawo ozokuphakanyisa ngazo isibonelo sokuphakanyiswa kwezinyawo. Njengoba i-road roller iyasebenzisa amandla okuphakanyiswa, izinyawo ezingenziwe ngokwesibonelo sizihlanganisa kumaqondolo apho izinyawo zabo ezingenziwe ngokwesibonelo zizihlanganisa ngokuphakanyiswa kwezinyawo, okwenza ukuthi zibe nesibonelo sokuphakanyiswa kwezinyawo okuzokuvimbela ukuthintana kwezinyawo emva kwalokho. Lokhu kucatshangelwa kakhulu ekudaleni kwezinyawo zokuphakanyiswa.

Ukuhambisana kwezinkulungwane ezifakwa ngokusebenzisa i-roller yomhlaba kuyaphendula kakhulu ekhulupheni lezinkulungwane, ukugcina kwazo kwezinkulungwane, nokuthi ziyatholakala njani. Amatsatsi amahle angaphansi kwezinkulungwane ezingaphansi kwezinkulungwane ezihlukene noma ezihlukene kuzo ziyakwakha ukubambisana okuhle kunezinkulungwane ezihlukene noma ezihlukene kuzo. Ukuhambisana kwezinkulungwane kwe-roller yomhlaba kusiza izinkulungwane ukuthola izikhundla zokubambisana ezihle ezingakwakhiwa kuphela ngokusebenzisa ukulayisha okuphelele.

Ukubambisana kwezinkulungwane okuphakade kudinga ukuthi i-roller yomhlaba ibe ne-energi yokufaka okuhle ukuze ikhiphe isimo esishesha sokugcina kwazo kwezinkulungwane ngaphandle kokuthi kubekwe kakhulu ukuthi izinkulungwane zizwele. Ukufaka okuphakade kwe-roller yomhlaba enkulu kungenza ukuthi ukubambisana kwezinkulungwane kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuhle kuh......

Ukukhokha Kwemisebenzi Nobunjwa Bokusebenza

Imithambo Yomsebenzi Wasekhaya Yokubonisa Ukufaka

Ukuqinisa ukuthi imisebenzi yomkhumbi wemvilaphi yayisafanelo ekubeni isilungu sesandla sibuyele kusukela kuzo kufanele kwenziwe ngamathuluzi amahle okuphakanyiswa kwesandla esiyakwenzela ukuthi kubonakale ukuthi kubuyele kusukela kuzo. Ukuphakanyiswa kwezandla, ukuphakanyiswa kweplathi, nokubala kwesandla ngaphandle kwesikhumba kusiza ekubhaleni iziphakamiso zokuphakanyiswa kwezandla. Lezi zinhlobo zokuphakanyiswa ziqinisa ukuthi isandla esiphakanyisiwe siyafanele kuzo izimali zokusebenza zokusebenzisa kuleli simo.

Ukuphakanyiswa kwezandla ngegauge yendawo yezinkundla yindlela eyinkulu yokuphakanyiswa kwezandla ngokujwayelekileyo. Lokhu kukhomba ukuthi kubonakala ngokushesha ukuthi isandla siphakanyisiwe kani futhi ukuthi kunezinkundla zingakanani, kusiza abasebenzi bokuphakanyiswa kwezandla ukuthi bamenye izindlela zabo ngokuphakanyiswa kwezandla, akubona ukuthi kunezinkinga emva kokugcina. Ukuphakanyiswa okuphakade ngokuphakade kwezandla kusiza ekubhekiseni ukuthi ubukhulu buya kubuyele kusukela kuzo.

Ukuzimela kwe-cone yendlela eyodwa elibalulekile ekuboneni ukuthi isilayi sisebenza kangakanani ngokusebenzisa i-road roller. Le ndlela yokuzimela iyabona ukuthi isilayi sibhekene noma sikhathazeka kanjani ukuzimela kumathuba amaningi, kubonisa ukuthi ukuzimela kuyasebenza kangakanani futhi kubonisa izindawo ezingakwaziyo ukuzimela ngokuphelele ngokusebenzisa i-road roller. Lokhu kusiza ekuvuseleni kwezindlela zokusebenzisa i-road roller emva kwalokho futhi kusiza ukuthi isilayi sisebenze ngokuphelele.

Ukubhabhisa Kude Kukhanda

Ukulinganisa okugcwele kwezinhloso zokusebenza kwe-road roller kuyiziphumo zokusebenza kwezilayi ezizimelwe ngokuphelele ngeminyaka engaphezulu. Ukubhabhisa ukuguqula, ukubonisa ukuthi isilayi sisebenza kangakanani futhi ukubonisa ukuthi isilayi sisebenza kangakanani ngokuphelele, lokhu kubonisa ukuthi ukuzimela kwe-road roller kwenza isilayi sisebenze ngokuphelele ngeminyaka engaphezulu. Lezi ziziphumo zokubhabhisa kude kusiza ekuthinteni iziphakamiso zokuzimela futhi izindlela zokusebenzisa i-road roller emaqondweni amasha.

Izinkathi zokulandela kwezinsuku, njengoko kubonakala kwezinsuku zokufika kwezinsuku zokuphuma kwezinsuku, izinguquko zemithi, nokuziphatha kwemithi kungahlela ukuthembeka kwezithelo zokugcina ezisetyenziswa ngamaphoyisa emilambo. Ukujabula lezi zinkathi kusiza abasebenzi bokubanga ukubanga iziphakamiso zokugcina okufanele kubhekwe kwezinkathi zokusebenza eziphathelene nalo futhi ukuvimbela ukuthi izisebenzi zomaphoyisa emilambo ziyagcina izithelo ngokuthembeka okuyakwenzeka ngaphezu kwezikhathi zokubanga kwezithelo.

Ukujabula ukusebenza kuvumela ukubona uhlobo lwesibonelo phakathi kwezindlela zokusebenza zomaphoyisa emilambo nezinhlobo zokusebenza kwezithelo ngeminyaka eyadlule. Idata esukwe kwezikhombi zokujabula kusiza ekwenzeni izindlela eziphelele yokusebenza kwezithelo zomaphoyisa emilambo kuzinhlobo ezahlukene zezithelo nezinkathi zokulandela kwezinsuku, kusiza ekuphucukiseni izindlela zokusebenza kwezindustria futhi ukuthola iziphakamiso zokugcina eziphakamile.

Imibuzo Evame Ukubuzwa

Izifactor ziphi ezingavumela ukuthi umaphoyisa emilambo ufanele akhange kancani ukuze agcine izithelo ngokuthembeka?

Inombolo yezindilingo zokugcina kwe-roller yomlilo iyaphendula kusukela kumkhakha wamatsi, isivinini sesilika, ubude bokugcina, nokuthembekile kwezinkambo zemithombo. Amatsi okuphakanyiswa kahle ayadinga izindilingo eziningi kunamatsi amagqabi, ngakho-ke ukugcina okubhili kufanele kuzidlinge ekhaya ukufinyeza ukugcina okulinganayo. Kunezindlela ezingaphezu kwe-4-8 zezindilingo zokugcina kwe-roller yomlilo ukuze kufinyeze ukugcina okuhambisana nomkhakha, kodwa ukuzimisa kwesifundo esikwesandla kufanele kuvumise izinkinga zonke zokugcina.

Ingaba i-roller yomlilo ingathola ubukhulu besilika ngokuphelele kuzo zonke izimo zewesi?

Ukusebenza kwe-roller yomlilo kuyaphendula kakhulu ngokuphelele kwezimo zewesi, ikakhulukazi ukuthempa nokuthembeka kwesilika. Amatsi okuphakanyiswa kahle akungagcinwa ngokuphelele ngokugcina kwe-roller yomlilo, ngakho-ke izimo eziningi zokuthembeka kungavumeli ukugcina okuphelele futhi kungabangela ukuthinteka kwesilika. Ukugcina okuhle kwe-roller yomlilo kusebenza lapho isilika sisivinini esihambisana nomkhakha wakho futhi ukuthempa kwezinsuku kusiza ukuthi isilika sisebenze ngokuphelele.

Umbono wendawo ubangaphi umsebenzo wokuphakamisa kwe-roller yemvilophu futhi iziphumo zokusetyenziswa kwakho?

Izinhlobo zezindawo zihluka ngokuphakamisa kwe-roller yemvilophu. Izindawo zokuphakama njenge-sand ne-gravel zikhuluma kahle ngokusebenza kwe-roller yemvilophu yokuqhubeka, ngakho-ke izindawo zokugcina njenge-clay zidinga ukuphatha kahle kwezindawo zokushisa futhi zingadinga ukuphakama kwe-static. Umsebenzisi we-roller yemvilophu kufanele ahlamule amathuba, amathuba, nokuvula kwezindawo zokushisa ngokubhekisele ku-zindawo zokushisa ukuze abe nesiphumo esihle sokusetyenziswa.

Izimbono ziphi eziyasho ukuthi i-roller yemvilophu iyasebenza kahle ukuthi ibe yisindawo esihle?

Ukupakisha kwe-roller wokugcina indlela kuyasebenza kahle kubona izindikimini eziningi ezivela kulo, kufuneka kubonwe ukubonwa kwesayithi esifanayo, ukungabonakali kwezindawo zokugcina (rutting) noma ukuthi amaqhina ayodwa (pumping) ngemithombo yezinkampani, ukubonwa kwesibonelo sokubuyela emuva (rebound) esifanayo kwenqolobane yokuqondwa, nokufikwa kwezidingo zokupakisha ngokwesifundo esebenzisa indlela yomkhosi. Isandla sokupakisha kufanele kube nemthwalo othile futhi isikhuthazo sesandla sokupakisha kufanele sibeke imithombo yokuqondwa ngaphandle kokuthi kubhekwe kakhulu ngokupakisha kwezindawo zokugcina.