User talk:154.68.5.77

November 2019
This is your only warning; if you vandalize Wikipedia again, as you did at User talk:Materialscientist, you may be blocked from editing without further notice. CLCStudent (talk) 16:28, 24 November 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.