User talk:183.171.111.246

August 2019
Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Communications system, you may be blocked from editing. Bbb23 (talk) 18:27, 11 August 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.