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operational weight stresses
O&G, tengiz.	эксплуатационная масса (Aiduza)
tech.	рабочий вес (Andy)

Operational Weight : 33 phrases in 8 subjects

Astronautics	1
Aviation	11
Caspian	1
Military	3
Nanotechnology	6
Nautical	1
Space	8
Technology	2