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Creation Date 

1. Before 1994  (6,178)
2. 1994 To 1996  (11,907)
3. 1997 To 1999  (14,277)
4. 2000 To 2003  (24,370)
5. After 2003  (36,932)
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New Records 

1. New From Last Month  (552)
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Subject 

1. Human Necessities  (32,331)
2. Transporting  (22,592)
3. Performing Operations  (22,592)
4. Lighting  (19,521)
5. Weapons  (19,521)
6. Blasting  (19,521)
7. Heating  (19,521)
8. Mechanical Engineering  (19,521)
9. Hygiene  (18,971)
10. Medical Or Veterinary Science  (18,971)
11. Electricity  (17,595)
12. Engineering Elements And Units  (15,862)
13. Thermal Insulation In General  (15,862)
14. General Measures For Producing And Maintaining Effectivefunctioning Of Machines Or Installations  (15,862)
15. Basic Electric Elements  (14,840)
16. Line Connectors  (12,670)
17. Current Collectors  (12,670)
18. Fixed Constructions  (10,564)
19. Preparations For Medical, Dental, Or Toilet Purposes  (8,359)
20. Joints Or Fittings For Pipes  (7,781)
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Language 

1. English  (83,445)
2. French  (17,931)
3. German  (11,320)
4. Korean  (3,138)
5. Chinese  (3,128)
6. Spanish  (2,587)
7. Italian  (1,137)
8. Russian  (891)
9. Portuguese  (858)
10. Norwegian  (621)
11. Swedish  (511)
12. Japanese  (453)
13. Danish  (389)
14. Finnish  (267)
15. Polish  (169)
16. Hungarian  (138)
17. Czech  (131)
18. Dutch  (129)
19. Ukrainian  (119)
20. Turkish  (87)
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