User-agent: Googlebot 
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: googlebot-image
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: googlebot-mobile
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: MSNBot
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: Slurp
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: ia_archiver
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: yahoo-mmcrawler
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: psbot
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: yahoo-blogs/v3.9
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent: Mediapartners-Google*
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
User-agent:*
Disallow: /back_web/
Disallow: /db/
Disallow: /inc/
Disallow: /lib/
Crawl-delay: 5