This is mainly due to the heavy legal restrictions by the government.

However, heavy restrictions apply to the areas where such a vehicle may travel in most states.

Because of the heavy restrictions placed on the offer, it will cost the airlines little, analysts said.

Although this model is very robust, no practical circuits are possible due to the heavy restrictions.

"They don't have demonstrations here," the diplomat said, referring to the heavy restrictions on public assembly.

But in a written piece you can play only those notes, and that's a heavy restriction.

And if money was Houston's singular attraction, then certainly the city would impose no heavy restrictions on the making of it.

Most of the poor countries in the world are dictatorships, with heavy restrictions on trade.

A rarely seen department in theatre due to the heavy restrictions on the use of true pyrotechnics.

Having received permission, Herzog nonetheless had to film under heavy restrictions.