Structure is important. The book is in PDF format, so maybe it's part of an online resource or an e-book. Does the PDF version have features like interactive elements, searchable text, or is it just a scanned copy of the print version?
Ïðèíòåðû, êîïèðîâàëüíûå àïïàðàòû, ÌÔÓ, ôàêñû è äðóãàÿ îôèñíàÿ òåõíèêà: âîïðîñû ðåìîíòà, îáñëóæèâàíèÿ,
çàïðàâêè, âûáîðà Ïåðåõîä â ãðàôè÷åñêóþ âåðñèþ