Izincedisi steel stainless ingqokelela Daquan ukubonisa
1 Ekubeni uninzi lweizixhobo zombhobhozisetyenziselwa i-welding, ukwenzela ukuba kuphuculwe umgangatho we-welding, iziphelo zifakwe kwi-beveled, zishiya i-angle ethile kunye nomda othile.Le mfuno ikwangqongqo ngokwentelekiso, ukuba ungqingqwa kangakanani na, i-engile kunye noluhlu lokutenxa.Kukho imimiselo.Umgangatho ophezulu kunye neempawu zoomatshini ngokusisiseko zifana netyhubhu.
Ukulungelelaniswa kwe-welding, ibakala letsimbi lokufakela umbhobho kunye nombhobho wokudibanisa ufana.
2 Imfuno yokupakishwa.Ukulungiswa kombhobho omncinci, njengokuthumela ngaphandle, Kufuneka ifakwe kwibhokisi yokhuni, malunga ne-cubic meter ye-1.Kumiselwe ukuba inani lengqiniba kule bhokisi lingagqithi malunga netoni enye.Umgangatho uvumela iiseti, oko kukuthi, iiseti ezinkulu zincinci, kodwa Ubunzima bubonke kufuneka bungabi ngaphezu kwe-1 ton.
Ziziphi iingenelo ze-thin-walledimibhobho yamanzi ensimbi engenasicikunemibhobho yeplastiki?Kutheni utshintsha iplastiki ngentsimbi?
Kutheni utshintsha iplastiki ngentsimbi?Ziziphi iingenelo ze-thin-walled simibhobho yamanzi yentsimbi engenasiphelokunemibhobho yeplastiki?Imibhobho yentsimbi engenasicizikhuselekile, zithembekile, zisempilweni, zinobuhlobo kokusingqongileyo, zinoqoqosho kwaye ziyasebenza.Imibhobho eneendonga ezibhityileyo kunye nophuhliso oluyimpumelelo lweendlela ezintsha zoqhagamshelo ezithembekileyo, ezilula neziluncedo zenze ukuba kube ziinzuzo ezingenakubuyiselwa zeminye imibhobho, kwaye izinga lodumo liya linyuka nangaphezulu.
1. Ubukho be-carcinogens kwiityhubhu zeplastiki bunokubangela ukufikisa kwangaphambili kwaye kuchaphazele impilo yamadoda
Imibhobho yePlastiki iqulethe i-carcinogens, kunye ne-plasticizers (equlethe i-carcinogen "biphenol A") ene-carcinogenic emzimbeni womntu kufuneka yongezwe kwimveliso yemibhobho yeplastiki.Iihomoni zokusingqongileyo zibhekisa kwi-carcinogen "biphenol A" kwiiplastiki kwiiplastiki.Ngokophando lweengcali zaseBritani, eFransi, eJapan, njl.njl., ukukhutshwa kwamahomoni okusingqongileyo kwiityhubhu zeplastiki kuyonakalisa impilo kwaye kubangele ukufikisa kwangaphambili kulutsha.Isidoda sendoda sincitshiswa ngesiqingatha kwiminyaka engama-50, kwaye izifo zabasetyhini zenzeka.
2. Ukuchaphazela ukukhula kwabantwana
I-chemical additive "phthalein", enokwenza iityhubhu zeplastiki zibe thambileyo, zinempembelelo enkulu kwizintso, isibindi, kunye namatyhalarha emzimbeni womntu.Inokubangela umhlaza kunye nomonakalo wezintso, itshabalalise inkqubo yokuvuselela umzimba womntu, kwaye ichaphazele ukukhula kwabantwana.
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