Usability testing is the measurement of ease of use of a product or piece of software. In contrast, usability engineering (UE) is the research and design process that ensures a product with good usability. Usability is a non-functional requirement.
I think in modern world you can associate with only one thing, but it's not the best choice. Bulgarians speak Slavic language as mother tongue, but also many of us speak a Germanic language (English). We have always been part of the Mediterranean world and are pred.Pontid in race, a Med subtype. think in modern world you can associate with only one thing, but it's not the best choice. Bulgarians speak Slavic language as mother tongue, but also many of us speak a Germanic language (English). We have always been part of the Mediterranean world and are pred.
As a substantial exporter of lamb, Bulgaria's own consumption is notable, especially in the spring. Similarly to other Balkan cultures the per capita consumption of yogurt (Bulgarian: ÐºÐ¸ÑÐµÐ»Ð¾ Ð¼Ð»ÑÐºÐ¾, kiselo mlyako, lit. sour milk) among Bulgarians is traditionally higher than the rest of Europe.