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what is zone refinig system?
claim of inventor has no link or proper reference edit
If Bernal was the "inventor" then how would this descriptor be supported?Wikibearwithme (talk) 08:20, 8 March 2018 (UTC)
What is zone refining edit
It is correct and I will do the same for me 2409:4072:640C:C89E:0:0:1C9:E8A5 (talk) 12:56, 18 November 2021 (UTC)
Melting point edit
What these the melting points 185.84.71.111 (talk) 18:04, 21 December 2021 (UTC)