The law states that we can store cookies on your machine if they are essential to the operation of this site but that for all others we need your permission to do so.
About Cookies does use some non-essential cookies. We do not do this to track individual users or to identify them, but to gain useful knowledge about how the site is used so that we can keep improving it for our users. Without the knowledge we gain from the systems that use these cookies we would not be able to provide the service we do.
This site uses different types of cookie.
The information generated by the cookie about your use of our website (including your IP address) will be transmitted to and stored by Google on servers in the United States. Google will use this information for the purpose of evaluating your use of our website, compiling reports on website activity and providing other services relating to website activity and internet usage.
If you want to delete any cookies that are already on your computer, please refer to the instructions for your file management software to locate the file or directory that stores cookies. You can access them through some types of browser. Search in your cookie folders for ‘qxltd’ to find our cookie and the Google Analytics cookie if you wish to delete them.
More information about cookies, including how to block them or delete them, can be found at AboutCookies.org.
You can configure your browser to accept all cookies or to alert you every time a cookie is offered by a website’s server.