In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Bulletproof glass ( ballistic glass , transparent armor , and bullet-resistant glass ) is a strong and optically transparent material that is particularly resistant to penetration by projectiles .
Bullet-proof glass , or bullet-resistant glass , is a type of strong , clear material that resists bullets .

The effect of mountain chains on prevailing winds is to carry warm air belonging to the lower region into an upper zone , where it expands in volume at the cost of a proportionate loss of temperature , often accompanied by precipitation in the form of snow or rain .
The effect of mountain chains on winds is to carry warm air belonging to the lower region into an upper zone , where it expands and loses heat , and drops snow or rain .

According to the Russian Constitution , the Russian Federation consists of republics , krais , oblasts , cities of federal importance , an autonomous oblast and autonomous okrugs , all of which are equal subjects of the Russian Federation .

The federal subjects are divided into oblasts , republics , krais , autonomous okrugs , federal cities and autonomous oblasts .