Bolivian sand, as a consequence of its higher altitude, includes a “clarity” I like to the substrate, but Namibian sand includes a bolder profile, important for excellent MOS isolation. They’re meant for Expert https://macktechbiz.com/blogs/news/unleashing-the-power-of-micro-appliance-pc-firewalls-a-revolution-in-open-source-firewall-solutions-with-zenarmor-and-opnsense-support