flight of fantasy	wymysł
spin off	produkt uboczny
sewage	domestic waste
effluent	waste from factories
application	zastosowanie
funding	fundusz
blissfully	unaware
highly	effective
startlingly	simple
trifle	eccentric
of its own	accord
to take into	account
in other	respects
obsolete	old- fashioned
cutting edge	greatest advancement
state of the art	the highest development
durable	long lasting
handy	practical
self- sufficiency	samowystarczalność
efficient	skuteczny