Перегляд зібрання за групою - Теми
- oil reservoirs 1
- Oil sludge 1
- Oil spill 1
- oil spill 3
- oil storage systems 1
- oil tanks 3
- oil, antioxidant, oxidative spoilage, hydrolytic spoilage, induction period, economic substantiation 2
- Online teaching 1
- online teaching 1
- Ontological essence Information sovereignty National interests State information security system Principles 1
- ontology 1
- opacimeter 2
- opacity 2
- Operating pressure 1
- operation synthesis 1
- Operational characteristics 2
- Operational control 1
- Operational safety 1
- Operative control in extraordinary situations, special-purpose room, normative aeroionic conditions, artificial aeroionization, concentration of aeroions 1
- operator 1