Information about fighting knives can be found on the websites KnifeZone and KnifeCenter. Information can also be found on Wikipedia under fighting knife.
Since we don't know who "they" might be or what information they found, nobody is going to be able to figure out the answer.
The application is how might the information you found out be useful to others.
Information about Hewlett Packard (HP) Plotters can be found using the internet on the HP design jet website. Information can also be found on the Aectec website.
Information on Graduate Plus Loan can be found in a variety of places. Graduate Plus Loan information can be found at a student aid website, or simply on forums.
Someone looking to find more information about Thomas wooden trains might look at toy stores. Toys R Us is a toy store which carries this brand and would be able to help.
Information and reviews about the TY LA1500 can be found online on Amazon and NewEgg. Information about this product can also be found in various videos on Youtube.
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Information about the Deportivos car can be found from many different resources. Websites such as MotorPasion and Coches provide such information for easy access.
Information about mortgages and remortgages can be found through the Citizens Advice Bureau, who offer free information to consumers and impartial advice.
There is a list for all of the information needed on websites that can be easily found. Also, the local community center might have information regarding this.
More information about Dilana Robichaux can be found from her official website. Some articles about her and paparazzi shots can be found at Zimbio. She also has a twitter, so you might want to check it as well.