Перегляд зібрання за групою - Теми
- corrosion 2
- cost 1
- cost price 1
- costs 1
- cover crops 1
- cowshed 1
- cowshed water supply 1
- crank mechanism 1
- crankshaft 2
- creative abilities 1
- creative potential 1
- creative work 1
- creativity 1
- crisis 3
- crisis factors 1
- critical point 1
- critical thinking 2
- crop care 1
- crop mechanisation 8
- crop production 3