Concrete Sleeper Manufacturing Process.कंक्रीट स्लीपर कैसे बनाते हैं

In this video you can learn Manufacturing process of Railway Concrete Sleeper. Concrete sleeper is a kind of railway sleeper made of steel reinforced concrete. With the characteristic of water resistant, sun resistant and corrosion resistant, concrete sleeper has been widely used all over the world since 1950 कंक्रीट स्लीपर कैसे बनाते हैं কীভাবে কংক্রিট স্লিপার তৈরি করা যায়