Dhinaca mashiinada warshadaha iyo wax soo saarka, cabirka xiisadaha saxda ah oo la isku halayn karo ayaa muhiim u ah hubinta tayada iyo hufnaanta hababka kala duwan. Hadday tahay daabacaadda iyo baakadaha, mishiinnada dunta, siliga iyo fiilada, waraaqaha dahaarka leh, fiilooyinka ama warshadaha silig, leh xirfad...
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