"በለውጥ ምህዋር ውስጥ መጓዝ ከጀመርንበት ሶስት ዓመታት ውስጥ ብዙዎችን ያስደመመ ተጨባጭ ተግባራት ተከናውነዋል" ብለዋል።
"For the first couple of years when we were developing the prototypes and doing demonstrations, we met a lot of resistance to change," he says.