Kɛnɛyako siratigɛ la, nɛgɛdaga galɔnw ka ɲɛnamaya bɛɛ musaka bɛ dɔgɔya:
Nɛnɛ-Nɛgɛdaga wulilenw ka kan ka penta san 2 fo san 3 o san 2 (a musaka bɛ se yuan 10 ɲɔgɔn ma mɛtɛrɛ kɛrɛnkɛrɛnnen kelen na), wa a musaka bɛɛ lajɛlen bɛ san 20 ni 100 ɲɔgɔn bɔ mɛtɛrɛ kɛrɛnkɛrɛnnen kelen na.
Hot-Dip galvanized steel sheets (zinc coating 275g/m2) tɛ ladonni si wajibiya san 20 kɔnɔ, ni musaka bɛɛ ye 60-70 yuan ye mɛtɛrɛ kɛrɛnkɛrɛnnen kelen na, o min ka dɔgɔ ni nɛgɛdaga nɛnɛmanw ye 20%-30%.
So kɔnɔ jalen sigidaw la, nɛnɛ{0}}Nɛgɛdaga minnu bɛ wuli, olu bɛ sɔrɔ ka caya k’a sababu kɛ u musaka fɔlɔ dɔgɔyali ye ani u mago tɛ anti-nɔgɔ ladonni na.
