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Pen Application Development System
abbr., file.ext.	PADS (Slate Corporation)

Pen : 113 phrases in 18 subjects

Agriculture	38
Commerce	1
Communications	2
Cultural studies	1
Earth sciences	2
Electronics	2
General	13
Health care	3
Hobbies and pastimes	1
Industry	15
Information technology	12
Life sciences	3
Microsoft	12
Municipal planning	1
Natural sciences	1
Patents	3
Radio	1
Transport	2