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| underwater engineering work (SMS undertake all types of underwater engineering work on most marine structures including dock gates, harbour walls, bridges, pontoons, sluices and mooring ... | divers from the Royal Engineers carry out underwater searches and underwater engineering work. Alexander Demidov) | |||
| underwater technical operations (ПТР acvila) | |||
| underwater technological operations (Johnny Bravo) | |||
| подводно-технические работы: 6 do fraz, 3 tematyki |
| Ekologia | 1 |
| Morski | 4 |
| Pospolicie | 1 |