Question

what is the main machine used in the iron and steel industry​

Answer 1

Answer:

The rolling mill incorporates cylindrical rollers, in opposing pairs or against flat plates, to shape the steel products. The rolling mill consists of a roughing mill train, intermediate mill trains, and finishing mill train with D.C. drives, for continuous operation

Answer 2

❥ ᴀɴsᴡᴇʀ

❥ ᴛʜᴇ ʀᴏʟʟɪɴɢ ᴍɪʟʟ ɪɴᴄᴏʀᴘᴏʀᴀᴛᴇs ᴄʏʟɪɴᴅʀɪᴄᴀʟ ʀᴏʟʟᴇʀs, ɪɴ ᴏᴘᴘᴏsɪɴɢ ᴘᴀɪʀs ᴏʀ ᴀɢᴀɪɴsᴛ ғʟᴀᴛ ᴘʟᴀᴛᴇs, ᴛᴏ sʜᴀᴘᴇ ᴛʜᴇ sᴛᴇᴇʟ ᴘʀᴏᴅᴜᴄᴛs. ᴛʜᴇ ʀᴏʟʟɪɴɢ ᴍɪʟʟ ᴄᴏɴsɪsᴛs ᴏғ ᴀ ʀᴏᴜɢʜɪɴɢ ᴍɪʟʟ ᴛʀᴀɪɴ, ɪɴᴛᴇʀᴍᴇᴅɪᴀᴛᴇᴍɪʟʟ ᴛʀᴀɪɴs, ᴀɴᴅ ғɪɴɪsʜɪɴɢ ᴍɪʟʟᴛʀᴀɪɴ ᴡɪᴛʜ ᴅ.ᴄ. ᴅʀɪᴠᴇs, ғᴏʀ ᴄᴏɴᴛɪɴᴜᴏᴜs ᴏᴘᴇʀᴀᴛɪᴏɴ.