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Anoxic Limestone Drain stresses
ecol., abbr.	ALD

Anoxic: 39 phrases in 15 subjects

Aviation	7
Biology	3
Biotechnology	2
Construction	1
Ecology	5
Energy industry	1
Geography	1
Makarov	2
Medical	8
Natural resourses and wildlife conservation	2
Navigation	1
Oceanography & oceanology	1
Technology	2
Water resources	1
Water supply	2