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- Alcohol-to-water ratio 1
- Alcoholic beverages 1
- Alcoholic beverages -- Marketing 1
- Alfalfa 1
- Alfalfa -- Varieties 1
- Algae culture --Effect of metals on 1
- Algebra -- Computer-assisted instruction 1
- Algebra -- Study and teaching (Elementary) 1
- Algebra -- Study and teaching (Secondary) 2
- Algorithms 2
- Alien plants -- South Africa -- Identification 1
- Alien plants -- South Africa -- Western Cape 1
- Alkaline leaching 1
- Alloys -- Metallurgy 1
- Alloys -- Synthesis 1
- Alloys -- Weldability 1
- Alloys -- Welding 2
- Alluminium alloys 1
- Alternating-current machinery 1
- Alternative fuel vehicles 1