Since .rar files are compressed, a feature that lists the internal filenames (e.g., track01.wav or HH1_Drawing.dwg ) before the user clicks download provides transparency.
In professional sectors, specifically in Vietnam, HH1 is a common designation for specific building components (often "Hỗn Hợp 1" or Mixed-use Building 1). Download hh1 rar
Include a SHA-256 Checksum so users can verify the file hasn't been tampered with. Since .rar files are compressed
Use platforms like Dropbox or Google Drive to provide alternative download paths if the primary server is slow. specifically in Vietnam