Steel can be heavy-duty.Logical formLearned from78 sentences. Duties can be on steel.Logical formLearned from78 sentences. A (steel door) can be heavy.Logical formLearned from76 sentences. Steel may undergo a corrosion.Logical formLearned from76 sentences. A (steel mill) may close.Logical formLearned from75 sentences. A (steel producer) can be in the world.Logical formLearned from75 sentences. A (steel industry) may pertain-to a country.Logical formLearned from75 sentences. Some pieces can be constituted-of-or-filled-with steel.Logical formLearned from74 sentences. Steel can be rusted.Logical formLearned from73 sentences. (Steel workers) can be unemployed.Logical formLearned from72 sentences. Steel can be quality.Logical formLearned from71 sentences. A will can be constituted-of-or-filled-with steel.Logical formLearned from71 sentences. A (steel market) may pertain-to a country.Logical formLearned from71 sentences. A stainless steel can be quality.Logical formLearned from71 sentences. A (steel output) can be annual.Logical formLearned from71 sentences.