Following the Trail

At the top and bottom of each page there are Previous and Next buttons which are the best way of following the trail. These buttons will take you to every page in the trail, ensuring that you don't miss anything.

Alternatively, you can use the buttons down the side of the page to move between the most important pages.

At any time, you can jump back to the trail map (showing all the different files in the trail) by clicking on the trail name in the top left corner of the window.

Lots of words will be highlighted (e.g. polymer) throughout the text of trail. Words marked in this way are in our glossary and clicking on the word will take you directly to the information on that word or phrase.

More information about the use of trails and the way in which this site is structured, is available in our meta-trail. We highly recommend you read through the meta-trail to get the most out of the site.

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