As it is a standard compressed archive, a "review" of its functionality refers to the itself:
: The format includes features like recovery records, which can help repair the archive if it becomes partially corrupted during download or transfer. 18552.rar
“WinRar is a good choice to handle them on windows, just right click and uncompress.” Reddit · r/explainlikeimfive · 11 years ago As it is a standard compressed archive, a
"18552.rar" appears to be an archive file associated with from M. Auezov South Kazakhstan University. Based on university library records, this specific file contains laboratory instructions for the subject "Examination of Inorganic Substances" (Бейорганикалық заттардың сараптамасы), authored by A. A. Anarbaev in 2017. 18552.rar