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rationell adj.
gen.	efficiently
econ.	cost-effective; economic
law, ADR	economical
tech.	efficient; rational

rationell: 47 phrases in 15 subjects

Agriculture	4
Alternative dispute resolution	2
Business	1
Construction	1
Economy	13
Education	1
Energy industry	9
Environment	6
General	1
Law	1
Materials science	1
Natural resourses and wildlife conservation	2
Packaging	2
Research and development	2
Transport	1