User talk:Jack Engdahl

Please refrain from making unconstructive edits to Wikipedia, as you did at Wombat. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Thank you. Materialscientist (talk) 08:24, 30 May 2011 (UTC)

Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Lithium, you may be blocked from editing. Materialscientist (talk) 08:24, 30 May 2011 (UTC)

May 2011
This is your last warning; the next time you vandalize Wikipedia, you may be blocked from editing without further notice. mgiganteus1 (talk) 09:50, 31 May 2011 (UTC)