• black heart maleable cast iron

कृष्ण:    Krishna black somber

कृष्ण क्रोड:    black heart

क्रोड:    core of gyratory crusher

आघात:    accent percussion knock stroke hit jolting

ढलवां:    sloping molded molten

ढलवां लोहा:    cast iron iorn-cast ढलवां sloping

लोहा:    iron bit irons cold steel