Ngā kaupapa kua tūtohitia
- Congresses 5 ngā hua
- Design and construction 2 ngā hua
- Artificial intelligence 1 ngā hua
- Bearings (Machinery) 1 ngā hua
- Composite materials 1 ngā hua
- Creep 1 ngā hua
- Electric machinery 1 ngā hua
- Fatigue 1 ngā hua
- Fire resistant materials 1 ngā hua
- Fireproofing 1 ngā hua
- Materials 1 ngā hua
- Materials at high temperatures 1 ngā hua
- Motor vehicles 1 ngā hua
- Railroads 1 ngā hua
- Roads 1 ngā hua
- Safety measures 1 ngā hua