Ikhonkrithi yekhonkrithi inokuxhamla ekutshintsheni izixhobo ezikwi-chincis kwisandla esivela kubhedu. Ezo zibini zikhuphisana kunye ngokubhekisele kubunzima, ukuqina, ubume bemigangatho kunye nokugqitywa kwemali-kodwa i-zinc ineezibonelelo ezongezelelweyo.
Izixhobo zeBronze iyindlela ethembekileyo yokufezekisa imiphetho ye-radius kunye nolawulo oluthe ngqo kwikhonkrithi. Isakhiwo esiqinileyo sinolusu olugqibeleleyo kwaye linokubonelela ngeziphumo zobuchule. Ngesi sizathu, izixhobo zeBronze zihlala ziziseko zoomatshini abagqibileyo abagqibayo. Nangona kunjalo, oku khetho kuza ngexabiso. Iindleko zemali kunye nezabasebenzi zemveliso yobhedu zibangela ilahleko kwishishini, kodwa akunyanzelekanga ukuba ibe njalo. Kukho enye into ekhoyo-yinc.
Nangona ukwenziwa kwabo kwahlukile, uBronze kunye neZinc uneempawu ezifanayo. Bayakukhuphisana ngokobunzima, ukuqina, ubume bemigangatho kunye neziphumo zobungcali zonyango. Nangona kunjalo, i-zinc ineezibonelelo ezongezelelweyo.
Imveliso yeZinc inciphisa umthwalo kwiikhontrakthi kunye nabavelisi. Kwisixhobo ngasinye sebhereve esivelisiweyo, izixhobo ezimbini zeZiloc zingayitshintsha. Oku kunciphisa inani lemali echithwe kwizixhobo ezibonelela ngeziphumo ezifanayo. Ukongeza, imveliso yomenzi ikhuselekile. Ngokutshintsha kwentengiso kwi-zinc, zombini iikhontrakthi kunye nabavelisi baya kuxhamla.
Ukuhlolisisa ngokusondeleyo kukwenziwa kweso sibonisa ukuba ubhedu lube yi-alfay yobhedu esetyenziselwe iminyaka engaphezu kwe-5,000. Ngexesha elinzima leminyaka yobudala bobhedu, yayiyeyona ntsimbi inzima kwaye ibaluleke kakhulu eluntwini, ivelisa izixhobo ezingcono, izixhobo, izixhobo, iingalo kunye nezinye izinto ezifunekayo ukuze ziphile.
Ngokwesiqhelo indibaniselwano yobhedu kunye ne-tin, ialuminiyam okanye i-nickel (njl.). Uninzi lwezixhobo zekhonkrithi ziyi-88-90% ye-capper kunye ne-10-12% ye-tin. Ngenxa yamandla ayo, ubukhali kunye nolangazelelo oluphezulu kakhulu, oku kwabelwa kufanelekile ukuba izixhobo zilungele izixhobo. Ezi mpawu zikwabonelela ngomthamo ophezulu wokuphatha umthwalo, ukunganyangeki kwe-arasion elungileyo kunye nokuqina okuphezulu. Ngelishwa, ikwakhethiwe kukosuleleka.
Ukuba ityhilwe komoya owoneleyo, izixhobo zeBronze ziya kunyanzela kwaye ziguqukele eluhlaza. Lo mmandla uluhlaza, obizwa ngokuba nguPatina, uhlala uphawu lokuqala lokunxiba. I-Pina inokuthi isebenze njengesithintelo esikhuselayo, kodwa ukuba ii-chloride (ezinje ngamanzi olwandle, umhlaba okanye isifuba) zikhoyo, ezi zixhobo zinokuhla zingena "isifo sobhedu". Oku kukufopasiswa kwezixhobo zendebe (ezisekwe). Sisifo esosulelayo esinokungena ngokwensimbi size siyitshabalalise. Nje ukuba oku kwenzeke, phantse akukho thuba lokuyinqanda.
Umthengisi we-zinic uhlala eUnited States, edanisa umsebenzi owukhuphayo. Oku kungaziseki kuphela imisebenzi engaphezulu kwezobugcisa eUnited States, kodwa incitshisiwe kakhulu kwiindleko zemveliso kunye nexabiso lokuthengisa. Iinkampani zeMarshallTown
Kuba i-zinc ayiqukisa isifo seforda, '"sinokuthintelwa." Ngokuchasene noko, yinto yentsimbi enesikwere sayo kwitafile yexesha kunye ne-hexagonal esondeleyo (i-HCP). Ikwanobunzima obukhulu, kwaye inokwenziwa ngoncedo kwaye kulula ukuyiqhubela phambili kubushushu kancinane kuneqondo lobushushu.
Kwangelo xesha, zombini ubhedu kunye ne-zinc zinobunzima obulungele izixhobo (kwi-mohs ubunzima beentsimbi, zinc = 2.5; iBronze = 3).
Kwikhonkrithi yekhonkrithi, oku kuthetha ukuba, ngokwemigqaliselo, umahluko phakathi kobhedu kunye ne-zinc incinci. Zombini zibonelela ngezixhobo zekhonkrithi ezinomthamo ongumthwalo omkhulu, ukunganyangeki kwe-abrasion elungileyo, kunye nokukwazi ukuvelisa phantse iziphumo ezifanayo zokugqibela. I-Zinc ayinazo zonke izinto ezingekho zixhobo-zilula- ilula, kulula ukuyisebenzisa, ukuxhathisa amabala ebronze, kunye neendleko.
Ukuveliswa kobhedu kuxhomekeke kwiindlela ezimbini zemveliso (ukuphoswa kwesanti kunye nokuphosa), kodwa akukho ndlela yindleko kubavelisi. Isiphumo kukuba abavelisi banokudlula kubunzima bezemali kwiikontraki.
Ukuphosa intlabathi, njengoko igama libonisa, kukuthulula ubhedu oluphuthunyiweyo kwi-GARD eprintiweyo ngentlabathi. Ukusukela oko ukubumba kuyabalahlaka, umenzi kufuneka athathe indawo okanye aguqule ubumba isixhobo ngasinye. Le nkqubo ithatha ixesha, ezikhokelela kwizixhobo ezimbalwa eziveliswa kwaye ziphumela kwiindleko eziphezulu zezixhobo zeBrozey kuba ubonelelo alunakuhlangabezana nemfuno eqhubekayo.
Kwelinye icala, ukukhupha ukutya akuphelelwanga. Nje ukuba isinyithi yolwelo sithululwe kwisinyithi sesinyithi, siqinisiwe kwaye sisusiwe, isisu siphinde silungele ukusetyenziswa kwangoko. Abavelisi, ekuphela kwengxaki yale ndlela kukuba iindleko zokuphelelwa kukutya okukodwa zinokuba phezulu njengamakhulu amawaka eedola.
Nokuba yeyiphi na indlela yokuphosa umenzi ukhetha ukuba uza kuyisebenzisa, ukugaya kunye nokugcuma kuyabandakanyeka. Oku kunika izixhobo zeBrozezes zilungele i-helf egudileyo kwaye ilungiselelwe impatho yonyango. Ngelishwa, le nkqubo ifuna iindleko zabasebenzi.
Ukugaya kunye nokugqobhoza yinxalenye ebalulekileyo yokuveliswa kwezixhobo zeBrozeze, kwaye kuya kuvelisa uthuli olufuna ukufihlakele okanye umoya. Ngaphandle kwale nto, abasebenzi banokubandezeleka kwisifo ebizwa ngokuba yiPneumocociosis okanye "i-Pneumocociosios", ebangela ukuba izicubu zeflomu ziqokelele kwimiphunga kwaye zinokubangela iingxaki ezinzima ze-phunguss.
Nangona ezi ngxaki zempilo zihlala zigxininiswa kwimiphunga, ezinye iigadi zisengozini. Amanye amasuntswana anokunyibilikisa egazini, ebavumela ukuba basasazeke kuwo wonke umzimba, bachaphazela isibindi, izintso kunye nengqondo. Ngenxa yezi meko ziyingozi, abanye abavelisi baseMelika abasazimisele ukubeka abasebenzi abasengozini. Endaweni yoko, lo msebenzi uphumile. Kodwa kwanabo bavelisi bangaphandle babize ukubeleka kwimveliso yebhenge kunye nokugaya kubandakanya.
Njengoko bambalwa kwaye bambalwa abavelisi beentsimbi ekhaya nakwamanye amazwe, i-bronzes iya kuba nzima ngakumbi ukuyifumana, ikhokelela kumaxabiso angenangqondo.
Kwikhonkrithi yekhonkrithi, umahluko phakathi kobhedu kunye ne-zinc incinci. Zombini zibonelela ngezixhobo zekhonkrithi ezinomthamo ongumthwalo omkhulu, ukunganyangeki kwe-abrasion elungileyo, kunye nokukwazi ukuvelisa phantse iziphumo ezifanayo zokugqibela. I-Zinc ayinazo zonke izinto ezingekhoyo - ilula, kulula ukuyisebenzisa, ukuxhathisa izifo zobhedu, kunye neendleko. Iinkampani zeMarshallTown
Kwelinye icala, imveliso ye-zinc ayizithwali ezi ndleko. Oku kungenxa yenxalenye yophuhliso lwe-finching ye-winc-i-finc ye-chinc-kinc yokuqhuma kwe-1960s, eyayisebenzisa ukupholisa izinto ezingenayo kunye ne-steam. Iziphumo zizise izibonelelo ezininzi kubathengi kunye nabathengi, kubandakanya:
I-Zinc ithelekiswa nobhedu kuzo zonke iinkalo. Zombini zinomthwalo omkhulu-wokungakhathali kunye nokunganyangeki kwe-arasion elungileyo, kwaye ilungele ubunjineli obukhari, ngelixa i-zinc ithatha inyathelo ngokuqhubekayo isifo kunye neprofayile elula, elula enokubonelela ngeekhontraktha ye.
Le ikwayinxalenye encinci yeendleko zezixhobo zeBrozeze. I-Zinc isekwe kwi-United States, echanekileyo kwaye ayifuni ukugaya kwaye igqithe, ngaloo ndlela kuncitshiswa kweendleko zemveliso.
Oku kungasigcini nje abasebenzi babo kwimiphunga ethulu kunye nezinye iimeko zempilo ezinzulu, kodwa oko kuthetha ukuba abavelisi banokuchitha imali encinci ukuba ivelise ngaphezulu. Olu londolozo luya kuthi emva koko lidluliselwe kwikontraktha ukubanceda bagcine iindleko zokuthenga eziphezulu.
Ngazo zonke ezi zibonelelo, zinokuba lixesha lokuba ishishini liyeke ubudala bobuqhetseba kwezixhobo zekhonkrithi kwaye yamkele ikamva le-zinc.
UMegan Rachuy ngumbhali womxholo kunye nomhleli we-marshalltown, inkokeli yehlabathi ekwenzeni izixhobo zesandla kunye nezixhobo zokwakha zamashishini ahlukeneyo. Njengombhali wasemsebenzini, ubhala umxholo we-DIY kunye ne-pro-pro-pro-shytowntown diay blog blog.
IXESHA LOKUQALA: UPE-06-2021