For larger and heavier models, the most popular powerplant is the glow engine.

These are the heaviest models, so the big torque increase improves them a lot.

The Sony video camera was a top-of-the-range model, sleek in design but heavy even for a man to carry.

The company has not said whether it plans to make a heavier model.

It was an old model, heavy and dirty.

The largest, heaviest models, particularly those that are less tall, roll over less often.

Pila were divided into two models: heavy and light.

A heavier model, this one, designed for tropical use, or so it was advertised.

Women's cycles also tend to be less expensive than men's, ranging from $1,000 to $4,000, as against $6,000 to $10,000 for the heavier standard models.

Always be careful when playing with a boomerang, especially a heavier model.