Muna ba da mafita na tuki marasa matuki ko cikakkun injuna kamar su robobin duba wutar lantarki, masu share fage, robobin sintiri, mutummutumi na rarrabawa,
tsabtace mutum-mutumi, mutum-mutumin noma, da sauransu. Samar da abokan ciniki da sabis na injiniya na masana'antu na tsayawa daya.
