light ballast

ریشه

The word 'light' comes from Old English 'leoht', meaning 'brightness'. 'Ballast' comes from Old Swedish 'ballesta', meaning 'to load with ballast'.

مثال

• The light ballast was adjusted to ensure the aircraft's stability during flight.
• The ship's crew unloaded the light ballast to increase buoyancy and allow it to sail in shallower waters.
• The truck's light ballast shifted, causing it to lose balance on the uneven road.