Nɛgɛmafɛnw dilanni siratigɛ la, fɛnw sugandili ye fɛn nafamaba ye min bɛ kɛ ka fɛn dilannenw cogoya, u baaracogo ani u musaka dɔn. Fɛnw sugandili bɛnnen tɛ dɔrɔn ka fɛn dɔ ka masina fanga, a ka sɔgɔli, ani a ka baarakɛcogo ɲuman, nka a bɛ a ka baarakɛ waati janya fana ani ka dɔ bɔ a ladonni musakaw la. O la, in-Nɔgɔfɛn suguya caman cogoyaw n’u waleyacogo minnu bɛ se ka kɛ, olu sɛgɛsɛgɛli juguman nafa ka bon kosɛbɛ walasa ka fɛn dilanni taabolo ɲuman sɔrɔ.
A fɔlɔ, nɛgɛ ye fɛn ye min bɛ kɛ ka caya nɛgɛ baara la k’a sababu kɛ a fanga ka bon, a ka plasitiki ɲuman, ani a musaka{0}}Nɔgɔya. Karɔbɔni nɛgɛ bɛnnen don doni ma-Baara kɛ ni fɛnw ye minnu bɛ kɛ ka fɛnw jɔ, i n’a fɔ masinw yɔrɔw ani sow yɔrɔw. Aloy steel, ni fɛn dɔw farala a kan i n’a fɔ chromium ani nickel, o bɛ a ka high-Furature and Corrosion resistance bonya kosɛbɛ ani a bɛ kɛ ka caya mobili yɔrɔw ni fɛnw tigitigiw la. Nɛgɛ min tɛ sɔgɔ, n’a ka sɔgɔli kɛcogo ɲuman, o bɛ kɛ ka caya dumuni dilanni na, furakɛli minɛnw na, ani kemikɛli baara la.
Filanan, aluminiyɔmu bɔgɔlanw ka di aerospace, ɛntɛrinɛti minɛnw, ani mobili dilanni na k’a sababu kɛ u ka nɔgɔn, u ka funteni ka bon, ani u baaracogo ka nɔgɔn. Misali la, 6061 aluminiyɔmu sɔgɔlen bɛ kɛ ka caya awiyɔnw jɔcogo yɔrɔw la, ka sɔrɔ 7075 aluminiyɔmu bɔgɔlan bɛ kɛ ka farikoloɲɛnajɛ minɛnw sanfɛ-End ka da a fanga kan. Ka fara o kan, nɛgɛ ni nɛgɛmuguw (i n’a fɔ nɛgɛ ni nɛgɛ) bɛ kɛ ka caya kuran minɛnw ni pibilikiw la k’a sababu kɛ u ka kuran taabolo ɲuman n’u sɔgɔli ye.
Baara kɛrɛnkɛrɛnnenw kama, titanium alloys, k’a sababu kɛ u fanga ka bon-ka se- girinya hakɛ ani sɔgɔli kɛcogo ɲuman, olu kɛra fɛn sugandilen ye aerospace ni furakɛli minɛnw na. Nka, u ka musakabaw ye dan sigi u ka den sɔrɔli la yɔrɔ bɛɛ. O waati kelen na, magnesium alloys, k’a sababu kɛ u ka density (dansi) ka dɔgɔ kosɛbɛ, u bɛ ka bonya sɔrɔ nɔgɔya la ka ɲɛsin consumer elekitoronikiw ni mobili baarakɛcogo ma.
Kuma surun na, nɛgɛfɛnw dilanni fɛnw sugandili bɛ ɲini ka jateminɛ bɛɛ kɛ masinw cogoyaw la, sigida labɛncogo ɲuman, baarakɛcogo fɛɛrɛw, ani musakaw. Dɔrɔn ni fɛnw nafaw bɛ bɛn tigitigi ni fɛn dilannenw wajibiyalenw ye, an bɛ se ka balansi ɲuman sɔrɔ baara kɛcogo ni sɔrɔko nafaw cɛ, o bɛ kɛ sababu ye ka yiriwaliba-jogoɲumanya yiriwa fɛn dilanni na.