Molemo oa theko e tlaase le kaho e bonolo ea sekontiri sa asphalt e totobetse, empa haeba bophelo ba tšebeletso ea sekontiri sa asphalt bo le bokhutšoanyane haholo, tlhokomelo ea morao ke ntho e thata haholo, empa e eketsa bothata ba litšenyehelo tsa kaho le kaho.

Ha e le hantle, morero oa pele oa moralo oa lithaele tsa asphalt ke oa moralo oa ntlo ea lepolanka. Hobane bophelo ba ntlo ka boeona bo khutšoanyane, 'me matla a ho jara moroalo a fokola, kahoo tlhokahalo ea tile e khanyang le e tšesaane, tile ea asphalt e hlahile motsotsong oa histori, ho e-na le lesela la pele la linoleum, e be khetho e ntle ka ho fetisisa bakeng sa marulelo a ntlo.

Ho fihlela joale, lithaele tsa asphalt li bile teng ka lilemo tse fetang 60, ka mor'a lilemo tse fetang 60 tsa tsoelo-pele, likarolo tsohle tsa lithaelese tsa asphalt li ntlafalitsoe, phetoho e hlakileng ka ho fetisisa ke hore lithaele tsa asphalt li na le litekanyetso tsa naha.

Ho latela maemo a naha a tlhahiso ea lithaele tsa asphalt, bophelo ba ts'ebeletso ea lera le le leng la sekontiri se le seng bo ka tiisa lilemo tse 20 tsa bophelo, bophelo ba tšebeletso ea lithaele tse peli tsa sekontiri se ka tiisa lilemo tse 30.

E ntse e se nako e telele joalo ka lithaele tsa setso, tse ka tšoarellang lilemo tse 50. Empa ho latela sekhahla sa nts'etsopele ea litoropo tsa China le bophelo ba moaho, bophelo ba ts'ebeletso ea shingles ea asphalt ea lilemo tse 30 bo lekane ho ts'oana le meaho e mengata. Kahoo lilemong tse 10 tse fetileng, sebaka sa tšebeliso ea lithaelese tsa asphalt se pharalletse haholo, kaofela li na le marulelo a letsoapo, ho na le linyeoe tsa ho sebelisa lithaelese tsa asphalt.

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