Nickel-yakavakirwa mavara materu akakosha zvikamu mune akasiyana siyana ekushandisa maindasitiri nekuda kwesimba ravo repamusoro, kupesana nekuita kwekushisa uye kwakanyanya kupisa. Aya machubhu anoshandiswa zvakanyanya muEerospace, makemikari kugadzirisa, chizvarwa chemagetsi, mafuta uye gasi, uye mamwe maindasitiri erenelia ...
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