User-agent: StackRambler 
Disallow: /engine/
Disallow: /expo/

User-agent: Aport
Disallow: /engine/
Disallow: /expo/

User-Agent: Yandex
Disallow: /engine/
Disallow: /expo/
Host: www.promworld.ru

User-agent: googlebot
Disallow: /engine/
Disallow: /expo/

User-Agent: *
Disallow: /engine/
Disallow: /expo/