The phones can be paged at high volume with the company's WEBS Contactmass notification software, allowing emergency personnel to issue targeted alerts to any segment of a facility.
Face-to-face contact is by no means the only form of communication and during the last two hundred years the art of mass communication has become one of the dominating factors of contemporary society.
面对面的交流绝不是沟通的唯一形式，在过去的两百年里，大众传播艺术已经成为当代社会的主导因素之一。
3
First, it's not normal matter, but its eerie opposite, called antimatter, which annihilates whenever it comes into contact with regular mass.