User talk:49.207.131.78

October 2019
Please stop your disruptive editing. If you continue to blank out or remove portions of page content, templates, or other materials from Wikipedia without adequate explanation, as you did at Thermal expansion, you may be blocked from editing. Thank you. Invalid OS (talk) 14:08, 30 October 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.