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great class sir
Very nice class sir ❤️❤️✋✋
Sir video continue upload krea
Sir please use bold marker for good Looking to whiteboard.
Sir cast iron or chilled cast inton m antar kya h?
When a localized area of gray cast iron is cooled very rapidly from the melt, cast iron is formed at the place that has been cooled. This type of white cast iron is called chilled cast iron.
great class sir
Very nice class sir ❤️❤️✋✋
Sir video continue upload krea
Sir please use bold marker for good Looking to whiteboard.
Sir cast iron or chilled cast inton m antar kya h?
When a localized area of gray cast iron is cooled very rapidly from the melt, cast iron is formed at the place that has been cooled. This type of white cast iron is called chilled cast iron.