Installing RAW from USB flash drive? RAW file format not necessary means uncompressed pictures, in some rare cases it could be operating system image just like iso.
In order to create bootable USB stick from RAW format you could use this little tool called SUSE Studio Image Writer. Program’s interface is very simple: there are only 2 fields. One for image select, other for destination.
SUSE Studio Image Writer – Download
If you are looking how to installing regular ISOs from USB read more here: Install Windows form USB stick.
Installing RAW from USB flash drive never been easier. Enjoy!