Two numbers in the same table can look comparable even when one is a manufacturer specification and the other is a reviewer's observation. Add a short source label beside every important value: specification, estimate, observed result or current quoted condition. If the method is unknown, mark it unknown instead of turning the figure into a precise ranking.

Selections on [RADARON](https://radaron.ru/) organise courses, products, hotels and real estate around practical characteristics, conditions and constraints. Use those selections to form a shortlist, then verify current availability, prices, policies and measurement context with the relevant school, seller, provider or booking service before deciding.