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Amashubhu omshini wokuwasha ayizinto ezikhethekile ezisiza ukulawula ugesi. Ayethandwa kakhulu esikhathini esidlule, ikakhulukazi kumarediyo nama-TV. Ngisho noma sisebenzisa ama-transistor kakhulu kulezi zinsuku, amashubhu omshini wokuwasha asabambe indawo ebalulekile kwezinye izinkambu. Angakhulisa umsindo ezimpahleni zomculo futhi asebenza kuma-amplifier athile. Izinkampani ezifana ne-Esseniot zenza kube nokwethenjelwa isibhedlela sesistimu yamapayipi amasethingi abantu kanye ne-biz abangawathemba. Futhi lezi zinhlelo azizona nje izinto zakudala; zisafanela ubuchwepheshe banamuhla emisebenzini ethile.
Ngakho-ke, ukuthola izinhlelo ezinhle zamashubhu e-vacuum ngobuningi kungaba mnandi. I-Esseniot ithole amashubhu ahlukahlukene ngezidingo ezahlukene. Kungcono ukusesha ku-inthanethi kuqala, ngoba amasayithi ezingxenye ze-elekthronikhi avame ukuba namadili. Ungase uthole izinciphiso zokuthenga ngobuningi. Lokho kusho ukuthi wonge imali uma uthenga okuningi ngesikhathi esisodwa. Imibukiso yezohwebo ingenye indawo enhle futhi. Lapho uhlangana nabenzi, ubuze izinto ngqo, ubone imikhiqizo eduze bese uzwa. Izitolo zasendaweni ngezinye izikhathi zithengisa amashubhu ngobuningi, ngakho cela ngobuningi uma uvakashela. Qhathanisa njalo amanani azungezile. Funda izibuyekezo futhi, ngoba impendulo ibonisa ikhwalithi. Izinkampani zinezintengiso ngezinye izikhathi, hlala ubukele. Shayela noma uthumele i-imeyili kubahlinzeki ukuze uthole amadili angcono—bangase banciphise amanani uma bebuza. Hlola iwaranti ngaphambi kokuthenga, ngakho uma kunenkinga, lungisa.
Uma ufuna izinhlelo zamashubhu e-vacuum zebhizinisi, qaphela izinto ezibalulekile. Okokuqala, cabanga ukuthi uzidingani. Ukusetshenziswa okuhlukile kudinga amashubhu ahlukene. Njengokuthi, amanye angcono kumagiya omsindo, amanye kumarediyo. Ikhwalithi ibaluleke kakhulu. Ufuna amashubhu akhiwe kahle futhi ahlala isikhathi eside. Bona ukuthi umenzi onjengo-Esseniot uthole igama elihle yini, usindisa kudoti ophuka ngokushesha. Okulandelayo, hlola imininingwane—amandla nosayizi kusiza ukukhetha okulungile. Uma ungaqiniseki, buza ochwepheshe; bayakuqondisa. Intengo ihlakaniphile ukuyicabanga futhi. Thola ikhwalithi kodwa ungakhokhi ngokweqile. Qhathanisa abahlinzeki ngamadili. Futhi ukwesekwa ngemva kokuthenga kubalulekile. Ezinye izinkampani zinikeza insizakalo enhle uma kuvela izinkinga. Khetha eyodwa ewusizo ukusetshenziswa kohlelo lwepayipi lomoya, ngakho-ke ibhizinisi lihamba kahle.
Izinhlelo zamapayipi omshini wokuhlanza zithandwa kakhulu ezimbonini manje. Zazisetshenziswa emishinini ngoba zisebenza kahle kakhulu. Esinye isizathu ukuthi ziphatha amandla amaningi. Amafektri adinga ukugijima okuphephile okubushelelezi, futhi amapayipi ayasiza lokho. Alawula ukuhamba kukagesi kahle, enza imishini isebenze kahle—amandla angachithwa kakhulu, onga imali futhi abe ngcono emhlabeni.
Futhi, la mashubhu ahlala isikhathi eside. Ngokungafani nezinye izingxenye, awaphuki kalula. Lesi sihluthulelo sokuqina kwebhizinisi esisebenza ngemishini nsuku zonke. Ukonakala kubiza kakhulu ukulungisa. Ngakho-ke, amashubhu ayakuvimbela lokho, ukukhetha okuhlakaniphile.
Ngaphezu kwalokho, amapayipi asebenza ezindaweni ezinzima. Njengokumba noma uwoyela, lapho uthuli lumanzi khona ngokushisa. Izingxenye ezivamile ziyahluleka lapho, kodwa amapayipi ayayiphatha. uhlelo lwe-air tube iklama amashubhu afanela izidingo zemboni. Ngobuchwepheshe bethu, izinkampani zithuthukisa umkhiqizo futhi imishini ihlala isikhathi eside.
Abantu abaningi abaqondi kahle izinhlelo zamapayipi okuhlanza. Esinye esikhulu ukuthi zindala futhi zimbi kakhulu kunobuchwepheshe obusha. Yiqiniso. uhlelo lweshubhu yesibhedlela cishe isikhathi eside, kodwa sisasebenza nanamuhla. Izimboni zibona ukuthi zidlula ezintsha kwezinye izindawo, njengokuphatha kangcono amandla kagesi aphezulu.
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