All the efforts at pig-iron making had failed so far because they were charcoal based . ढलवां लोहा बनाने के सारे प्रयत्न विफल हो चुके थे क़्योंकि वे सब लकड़ी के कोयले पर आधारित थे .
How to say pig-iron in Hindi and what is the meaning of pig-iron in Hindi? pig-iron Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.