Microscope métallographique (Mikɔrɔskɔpi min bɛ kɛ ni nɛgɛ ye
Metalografiki sɛgɛsɛgɛlikɛlan
Duniya bɛɛ ka sɛgɛsɛgɛli masin
Gɛlɛya sɛgɛsɛgɛlikɛlan
Gɛlɛya sɛgɛsɛgɛlikɛlan
Eddy current sɛgɛsɛgɛlikɛlan (ECT) .
Spektromɛtiri (OES) .
Kɔrɔbɔli minɛnw