All sides of the working platform shall be installed with top guard-rails (900-1150mm height), intermediate guard-rails (450-600mm height), toe-boards (200mm height) and safe access and egress.

工作台的所有方向都应安装顶端护栏（900-1150毫米高），中间护栏（450-600毫米高），踢脚板（200毫米高）和安全进出口。

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The first combination form is a small multiple use table and an infanette with guard rails and feet.

第一种组合形式是一个小型的多用途桌子和一个带有护栏和支脚的小婴儿床。

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The car turned left and hit the guard rails at 270 km/h at the entrance to the Indianapolis turn.

在印第安纳波利斯弯，赛车以270 km/h的速度左转，撞向了护栏。

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