of Ballast
Source: Webster's dictionaryIt is extraordinary how many emotional storms one may weather in safety if one is ballasted with ever so little gold. William McFee
If the construction of the car is lighter than the minimum, it can be ballasted up to add the necessary weight. Source: Internet
It should be noted that most airships, when fully loaded with cargo and fuel, are usually ballasted to be heavier than air, and thus must use their propulsion system and shape to create aerodynamic lift, necessary to stay aloft. Source: Internet
Like ballasted track the LVT is of the free floating type, held in place by gravity and friction. Source: Internet
They may be embedded into concrete for street-running operation, or use standard ballasted track with railroad ties on high-speed sections. Source: Internet
Track system Conventional ballasted tunnel-track was ruled out owing to the difficulty of maintenance and lack of stability and precision. Source: Internet