One other very positive consequence of 20th century technology, though, was the way in which other kinds of calamities could lead to positive advances.
दूसरी तरफ सही परिणाम २० वीं सदी कि तकनीक का यद्यपि एक माध्यम था जिससे दूसरी तरीके कि घटनाएन सकारात्मक विकास कि तरफ बढ़ सकती थीं|