Motoci masu ɗorewa Tare da ci gaba da ci gaban masana'antar sarrafa kansa, ƙarin samfuran suna buƙatar amfani da injunan injina, kamar bel mai ɗaukar hoto ta atomatik, kujerun lantarki, tebur na ɗagawa, da dai sauransu, duk da haka, lokacin fuskantar yanayi daban-daban ...
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