This article highlights the attributes of destination control with regard to the resulting traffic performance and, in the absence of a traffic-simulation program, offers a shortcut method that allows assessment of the up-peak traffic performance us
Events such as the World Trade Center bombing have sparked a fresh look at how best to evacuate buildings quickly and safely. The use of elevators for this purpose in North America has been traditionally prohibited, but this is changing if methods a
elevator.js 是一个 "back to top" 按钮,即点击 "back to top" 按钮即可缓慢的返回网页顶部。 示例: [removed] // Elevator scr ipt included on the page, already. window.onload = function() { var elevator = new Elevator({ mainAudio: /src/to/audio.mp3, endAudio: /src/