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Umehluko phakathi komugqa omkhulu wokudoba ihhashi kanye nomugqa ojwayelekile uvamise ukuba kumazinga ama-3
Umehluko phakathi kwentambo yokudoba ihhashi elikhulu kanye nolayini ojwayelekile uvamise ukuba kumazinga angu-3: ① Izinto ezisetshenziswayo zombili zihlukile.I-Dali horse line uhlobo lomugqa we-fiber we-polyethylene oqinile.Amandla ayo acindezelayo aphindwe kabili kunawe-carbon fiber.Yifiber ene-c enamandla kakhulu...Funda kabanzi -
Ingabe kufanele ukhethe isibambisi sokuwa noma intambo yokuphepha ukuze usebenze ezindaweni eziphakeme?
Enqubweni yokusebenza ezindaweni eziphakeme, abantu bavame ukuthatha izinyathelo ezithile zokuphepha ukuze bagweme ukuwa ngengozi.Phakathi kwazo, izibambisi zokuwa kanye nezintambo zokuphepha yizinto ezimbili ezivame kakhulu zokuvikela.Abangane bavame ukuba nohlobo oluthile lokudideka, kufanele yini ngikhethe isibambisi sokuwa noma intambo yokuphepha?...Funda kabanzi -
Ukubaluleka kwezintambo zetende
Intambo yetende iwukumisa okujwayelekile kwetende, kodwa ngenxa yokuthi abantu abaningi abakwazi ukubaluleka kwezintambo zetende, abantu abaningi abazilethi izintambo zetende lapho beyokanisa.Noma ngabe benza, ngeke bawasebenzise.Intambo yetende, ebizwa nangokuthi intambo yokuvikela umoya, isetshenziswa kakhulu...Funda kabanzi -
Kungani i-aramid ibiza kangaka?
I-Aramid, eyaziwa ngokuthi i-aromatic polyamide fiber, ingenye yemicu emithathu ephezulu yobuchwepheshe obuphezulu emhlabeni (i-carbon fibre, i-aramid, kanye namandla aphezulu, i-high-modulus polyethylene fiber) namuhla.Isetshenziswa kabanzi ezintweni eziyinhlanganisela, imikhiqizo yezinhlamvu, izinto zokwakha, izingubo ezikhethekile zokuzivikela, i-elec...Funda kabanzi -
2 okufanele ube namazinga ebhande lokuphepha
Ibhande lokuphepha elisezingeni eliphezulu lisetshenziselwa ukuvikela ukuvikela ukuphepha kwabasebenzi abathintekayo ukuvikela ukuwa kwabasebenzi abasebenza imishini yokuvikela ukuphakama.Lapho ukuwa kuphezulu, kulapho umfutho othintekayo uba mkhulu, ibhande lokuphepha kufanele lifinyelele izindinganiso ezi-2: ①Lingavimbela ukuwa kweh...Funda kabanzi -
Izici ezi-3 ezibalulekile zokukhetha intambo yokuphepha yekhwalithi ephezulu
Namuhla intambo yokuphepha yezinhlobonhlobo ezibanzi, izitayela ezihlukahlukene, bese ubamba izindlela ezithile zokuthenga nokukhetha intambo yokuphepha iwusizo kakhulu, namuhla ngihola abafana abakhulu ukuze bakwazi okulandelayo ukuthi bangakhetha kanjani ukufaka intambo yokuphepha.Okokuqala, kufanele sibambe izici eziyisisekelo ze-securri ethile...Funda kabanzi