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Purification Factor
meteorol., abbr.	PF

Purification : 132 phrases in 20 subjects

Agriculture	3
Antennas and waveguides	1
Chemistry	30
Electronics	2
Environment	58
Fish farming pisciculture	2
General	13
Geology	1
Health care	1
Information technology	1
Laboratory equipment	1
Life sciences	2
Mechanic engineering	5
Medical	1
Nuclear physics	1
Patents	3
Technology	3
Textile industry	1
Transport	2
United Nations	1