The exchange of references - linq

To add a site in catalogue
The car/moto, transport, technician The state, laws, politician Design, web design
For adults The interior, furniture, exterior History, art, religion
Of company Computers, programs The literature and mass-media
Medicine Music and cinema Real estate
Science and education Providers, the internet of company Foodstuff
Other Travel, tourism, nature Work
Of entertainment, game Advertising The family, the house, children
Sports Building Of technology and services
The goods and services Finance Photo
Electronic commerce Humour, hobbies