Agriculture	40
Analytical chemistry	30
Antennas and waveguides	96
Astronomy	31
Automated equipment	13
Aviation	2
Biotechnology	2
Botany	1
British usage, not spelling	1
Chemistry	91
Coal	2
Communications	8
Computers	6
Construction	30
Cycle sport	7
Cycling other than sport	5
Earth sciences	28
Economics	3
Electronics	132
Energy industry	8
Engineering	1
Entomology	1
Environment	7
Finances	3
Fishery fishing industry	1
Food industry	7
Forestry	4
General	70
Health care	8
High energy physics	50
Hobbies and pastimes	2
Ichthyology	2
Industry	27
Information technology	4
International trade	1
Kayaking	1
Laboratory equipment	12
Life sciences	5
Lighting other than cinema	1
Magnetics	1
Marketing	1
Materials science	9
Measuring instruments	68
Mechanic engineering	61
Medical	97
Medical appliances	207
Metallurgy	239
Microbiology	1
Microscopy	2
Municipal planning	7
Natural resourses and wildlife conservation	24
Natural sciences	17
Nuclear and fusion power	1
Nuclear physics	133
Packaging	29
Paleontology	12
Patents	7
Pest control	2
Pharmacy and pharmacology	1
Physical sciences	2
Physics	1
Plastics	1
Pulp and paper industry	2
Radiation	422
Radio	7
Radiography	1
Radiology	3
Remote sensing	1
Sports	8
Superconductivity	1
Technology	57
Telecommunications	2
Textile industry	15
Thermal Energy	2
Transport	33
United Nations	2
Vacuum tubes	22
Veterinary medicine	7
Virology	1
Water resources	6


tube
chem.	tuyau; tube; conduite; tuyauterie; conduit
forestr.	cylindre; baril
isol.	tuyau flexible
pack.	gaine; tube souple


maximum length
med.	longueur maximale; périmètre horizontal