The safety man-technology - engineering is abranch of man-technology engineering. 安全人機工程學是人機工程學的一個分支。
Since monotony has proved to be a safety hazard, traffic engineering even includes the landscape of the borders of the road. 由於景觀單調已證明是對交通安全的一大威脅,交通工程學還包括高速公路兩邊的景觀設計。