User-agent: *
Disallow: /img_obj_ch
Disallow: /img_obj_at
Disallow: /object/contact

User-agent: Googlebot-Image
Disallow: /img_obj_ch
Disallow: /img_obj_at

User-agent: Slurp
Disallow: /img_obj_ch
Disallow: /img_obj_at
Crawl-delay: 10

User-agent: Mail.Ru
Disallow: /

User-agent: WebsiteWiki
Disallow: /