Great example of systematical fragility of efficiency, from one point of we get two engine planes with lower flight… https://t.co/Dyno3w585U 0 atbildes

	Janis Orlovs (2018-04-14 01:35:26) @twitter	Great example of systematical fragility of efficiency, from one point of we get two engine planes with lower flight… https://t.co/Dyno3w585U