11. Figure 1 depicts a typical, single-stage vapor-compression system . 12. Finally, ZMODEM-90 includes a basic Run-length encoding compression system to further improve performance on uncompressed files. 13. In the past, most image compression systems used cosines, familiar to most former high school trigonometry students. 14. Which is why the developers implemented a compression system that consolidates older edits and compresses them together. 15. In comparison, StuffIt supported the newer LZW-type compression system and compressed the data and resource forks separately. 16. JMODEM also included a basic RLE data compression system , which replaces strings of repeated characters with a counter. 17. Works the same as Dolby Digital, except it incorporates a 20-bit compression system as opposed to Dolby's 16-bit. 18. Decompression can occur due to structural failure of the pressure vessel, or failure of the compression system itself. 19. Video recording is decent, although the compression system can't keep up with sudden camera movements or fast-moving objects. 20. In 1992, SPAR purchased the US company ComStream, who made compression systems for telecommunications and satellites in particular.