Heliography - this is purely Reproduction, photomechanical technique based on the fact that the image on the printing plate applied with a light (hence the heliosphere - the sun), that is, by exposing it to light-sensitive coating. This technique has been extended in the late XIX - early XX century for the reproduction and is not used as the actual printing technique artists.
A list of your little weird. First, why are terms nayvayutsya abbreviations? Abbreviation in Russian called "words, the formation of the names of the initial letters or initial sounds of words in the original phrase. Where did you immediately see the acronym? This is just an enumeration of terms. Secondly, in it (in this listing), say there is no such term as Lavis, tool engraving (it's just offhand), while at the same time, except for titles printed circuit techniques are grouping (s) of terms. For example, gravure printing - it's specific term for a group of printing techniques, the distinctive feature of which is that these techniques of paint driven into deeper forms of printed matter (hence the etymology of the word), eg, etching, copper engraving, drypoint, etc. But then, this is not the term "lithography", and the role of "relief printing" (when the paint is applied, on the contrary, the protruding part of the printed form) seems to be on your list does a "relief"?
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