Like an ox ploughing a trench in the ground a workboat digs a path through the seabed in which the cable will be placed. The cable will be buried in the trench which is approximately fifty centimeters in depth.
工程船的尾端牽曳著一台沉潛在海底的海犁，就像牛拖著犁一樣，隨著船的行進，海犁緩緩走在海床上，掘出一道五十公分左右深的溝，然後順勢將一條黝黑的海纜埋入溝中。