магнітні бульбашки
magnetic bubble memory / magnetic bubble store
magnetic bubble domain memory
magnetic bubble support circuits
magnetic bubble technology
magnetic variation / magnetic declination
cross-level bubble
longitudinal-level bubble
elevating bubble
bubble of level
bubble spirit glass
double-bubble fuselage
air bubble
acoustic bubble submarine imitator
air bubble craft / vehicle
box bubble
bubble
bubble and scale
bubble house
bubble housing
bubble sight
bubble tube
bubble-spirit glass
captured air bubble
captured-air-bubble ship
fluid level bubble assembly
level the bubble
security bubble
transverse bubble
bubble canopy
grid magnetic angle
magnetic anomaly detection (MAD) gear
magnetic azimuth