Click on the link above to open the book, then click 'Next' and 'Previous' to move between the pages. You can also use the table of contents to jump between chapters when you revisit this information.
If your preference is to use an alternative format you will find the option in each topic just below the books.
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Even the best drone pilot will have accidents, and to keep your drone in working order you will need to keep up with maintenance. When purchasing a drone, make sure that spare parts are available and factor these into the ongoing costs.