Ingaba izinto ze-ABS zilungile ngokwenene kwipeni yokufunda yabantwana?
Sinexesha lokuchitha nabantwana ngexesha leeholide, kwaye ukufunda nabantwana ngepeni yokufunda nako kuyingcinga entle. Abantu abadala kufuneka bakhokele abantwana ngokufanelekileyo ukuba bachaze iindawo apho ipeni yokufunda ikhomba khona encwadini, kwaye babuze abantwana ngokufanelekileyo ngolwazi olusencwadini, olunefuthe elihle ekuphuculeni inkumbulo yabantwana yolwazi olusencwadini.
Ngenxa yoko, ipeni yokufunda iye yaba luncedo oluhle lokufunda ebantwaneni. Ngenxa yokuba isetyenziswa rhoqo, abazali abaninzi baxhalabile kakhulu malunga nokhuseleko lwezinto ezisetyenziswa yipeni yokufunda. Sifumanise ukuba uninzi lweepeni zokufunda ngoku zisebenzisa izinto ze-ABS ezingangenisi manzi kwindalo njengezona zisetyenziswa kakhulu. Nangona le nto ixhaphake kakhulu kubomi bethu bemihla ngemihla, asazi ukuba ifanelekile na ukuba abantwana bayisebenzise ixesha elide.
I-ABS resin yenye yee-resin ezintlanu eziphambili zokwenziwa. Inokumelana okuhle kakhulu nempembelelo, ukumelana nobushushu, ukumelana nobushushu obuphantsi, ukumelana neekhemikhali kunye neempawu zombane. Ikwanazo neempawu zokucutshungulwa okulula, ubungakanani bemveliso obuzinzileyo, kunye nokukhazimla okuhle komphezulu. Kulula ukuyipeyinta. , ukufaka imibala, ngoko ke kulungile ukusebenzisa ii-abs kwizixhobo zokufunda zabantwana?
I-ABS yipolymer ephezulu. Ezi zinto azinabungozi, kodwa ezinye izongezo zongezwa ngexesha lokwenziwa, ukucubungula kunye nobunjineli. Ezi zongezo ziimolekyuli ezincinci ezinokufunxwa ngumzimba, nto leyo engumthombo wento ebizwa ngokuba yityhefu. I-PC, i-PE/ABS kunye nezinye izinto zilungile, ngelixa i-PVC ingenabungozi kangako. Kucetyiswa ukuba ukhethe ipeni yokufunda yabantwana ehlangabezana nemigangatho yaseYurophu yoxolo lwengqondo xa uyisebenzisa. Okukhona umntwana esemncinci, kokukhona kufuneka uthenge uhlobo olukhulu lweepeni zokufunda zabantwana. Njengoko isitsho, ixabiso eliphantsi alilungile, kwaye ixabiso elihle alibizi. Ixabiso lepeni yokufunda yabantwana lisenokuchaza ezinye zeengxaki.
Enyanisweni, uninzi lweeplastiki azinazo iziphumo ezinobungozi ngqo kwizinto eziphilayo kuba zizinzile ngokwendalo kwaye azikwazi ukumelana nezinye izinto kubushushu begumbi.
Kakade ke, izongezo ezahlukeneyo zongezwa kwiiplastiki ngenxa yezicelo ezahlukeneyo, kodwa le plastiki yahlukileyo yahlukile kakhulu. Izongezo zeplastiki ngokubanzi ziquka izizalisi ezingaphiliyo, iifayibha zeglasi, iipigment, ii-antioxidants, ii-anti-ultraviolet agents, iiplastiki, nezinye izinto ezifana nazo. Izizalisi ezingaphiliyo kunye neefayibha zeglasi ziiminerali kunye neglasi ezineempawu ezizinzileyo kwaye azinabungozi emzimbeni womntu. Umlinganiselo we-antioxidant kunye ne-anti-ultraviolet ngokuqhelekileyo uncinci, kodwa umthamo we-1-2‰ ngokuqinisekileyo awunabungozi okanye awunabungozi. Iplastiki enokuba yingozi kakhulu ebantwini yi-PVC. Umxholo wezongezo zeplastiki unokufikelela kwi-60-70%, nto leyo enzima ukuqinisekisa ukuba awuyi kuba yingozi emzimbeni womntu.
Iiplastiki ze-ABS zisetyenziswa kakhulu kwizixhobo zasekhaya, ezifana neefriji, oomatshini bokuhlamba impahla, ii-air conditioner, ii-oven ze-microwave, njl.njl., esizibiza ngokuba ziimpahla ezimhlophe. Iplastiki ngokubanzi isebenzisa izongezo ezimbalwa, kwaye i-toner ye-resin ye-ABS ecocekileyo isetyenziswa kakhulu. Ngokwenqanaba langoku leshishini leplastiki, uninzi lwee-toner ziimveliso ezinobuhlobo nokusingqongileyo, ezingayi kuchaphazela umzimba womntu kunye nokusingqongileyo. Ngoko ke ungakhathazeki ngayo, yisebenzise nje ngoxolo lwengqondo.
Kuyilo lweepeni zokufunda zabantwana, ukhuseleko lolona lubalulekileyo, kungekuphela nje kwezinto, kodwa nakwiimfuno zokhuseleko njengoyilo lweepeni zokufunda zabantwana zemfundo. Umzekelo, imilo yoyilo inokubangela ukwenzakala, kwaye inxalenye esuswayo iya kubangela ukuba umntwana aginye ngempazamo, zonke ezi zizinto ezifunekayo kukhuseleko. Kuyilo lweepeni zokufunda zabantwana zemfundo, ukukhuthaza uyilo olukhuselekileyo nolunobuhlobo nokusingqongileyo akupheleli nje ekuncedeni ukusetyenziswa kwabantwana, kodwa kukwanceda kuphuhliso olusempilweni lwemarike yeepeni zokufunda zabantwana zelizwe lam.
Ixesha lokuthumela: Meyi-25-2022