Bolivian sand, resulting from its bigger altitude, provides a “clarity” I want for the substrate, but Namibian sand features a bolder profile, important for good MOS isolation. all the things is rather common — 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