Tētahi o ngā mea nui kia whakarite ai mātau i runga i ō mahi huarahi he tohu me ngā rara. Ko te pūtake anō hei hanga i ēnei tohu he rauhī wehewehe, pērā i ngā ara whakawā mahi tūmuhi rānei e kitea ana i ngā pākiri motu. Ka uku te rauhī i ngā wā higher rūwhenua me ka taea e ia te whakatupu i te wā liquid. Ko tēnā i tūtono ai ki te hanga i ēnei tohu i runga i te huarahi rānei he wāhi e hiahiatia ana he rara paihere.
Ki te hanga i ēnei rara me ngā tohu i runga i te huarahi, ka whakamahia tētahi mīhini tino whaiaro hei hanga i ēnei e mohio nei ko te rauhī wehewehe e tūmomo ana he whakamahana mo te tohu huarahi. He mea iti noa iho ki te whakahaere, ka uku haere te rauhī wehewehe i te wā iti atu, me te whakaeke pai, ka taea e ngā mahi tonu te whakatakoto ki runga i te huarahi. Ki te wā e pai ana ka uku pai te rauhī me te whakaputu pai ki runga i te wai.
Te mahi o te pre-heater he whakamahi i te hau propane hei whakawärätü i ētahi paepae e pā ana i te meteina, ka noho nei i roto i tēnei mīhini. Ka tahuri ngā paepae meteina ki te riri i te wā tonu, ka whai take anō hoki ki te whakahaere i te werawera o te plastikanga thermoplastic i te wā itiiti. Ko tēnei tahuri werawera he mea nui kē kia kitea ai ngā tohu arahe ki runga i te huarahi hei whakamana i ngā kaiwhānau ki te kite i aua tohu.
He mea nui anō hoki te whakamahi i tētahi preheater tohu arahe thermoplastic, nā tēnei e whakapakari ana i te haumanu me te wehi o ngā tohu i runga i ngā arahe. Ka whakatūtonu ai ki te whenua te tohu (nā te mea ka whakauruhia te plastika werawera i runga i tētahi rite kotahi) Nā tēnei ka pakaru ake ngā rārangi me ngā tohu ki te kore e ngaro, e kore hoki e wareware i muri mai, ka whakamana anō hoki i ngā arahe mō te katoa.
Ko te whakamahere huarere he mea nui hoki hei whakatangata i tana roanga, me te hanga o na whakamomo hei whakapakari i te kitea. E whakamahi ana i waewae nui ake o te ripoata mo nga tohu kia kitea ake mai i te ara. Ka puta he kitea e whai ana i te hunga iwi ki te mohio i nga tohu katoa, ka haere pai ai i runga i nga ara, ka tiakina i nga mate katoa.
Ahakoa, me te ripoata i roto i te wera kua maru noa ki te kauwhata ara iti, ka heke iho te rawa i ngaro. Ko tenei ka tae ki te heke iho i te rama i roto i nga tohu ara. He mea nui hoki, ka ora i te waa e whai ana, kaore i te hikitia ano. Ko tenei tetahi take kei te whai oranga tonu i te porihanga huakairo.
Whakamutunga, ko tetahi painga atu o te whakamahi i te whakamahere huarere mo nga tohu ara, ka taea e nga mahi ki te hanga i nga hoahoa kaweake mo nga tohu ara i te waa e kore e kai ana. Na reira nga patengi nui, ahakoa te hanga i nga taarangi kitea me etahi atu tuurangi mo nga mata kararehe aoao, ka whakamahia hei kitea pai hoki mo te ara.
Heavsty : a scientific and technological enterprise which is engaged in the professional road marking machine research and development,design,production and sales.
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