當地洞可使工人下墜超過兩米或以上，必須以安全標準，用金屬板鋪密妥善圍封

當地洞可使工人下墜超過兩米或以上，必須以安全標準，用金屬板鋪密妥善圍封保護。當地洞的面積太大、或不能用金屬板完全覆蓋，便必須用標準(核准)的圍欄圍封該處;

結果 (英文) 1:

Local Cave workers can fall over two meters or more, must be based on safety standards, with a sheet metal shop close properly enclosure protection. Local hole area is too large, or not completely cover the metal plate, it must be standard (approved) where fencing enclosure;

結果 (英文) 2:

Local holes allow workers to fall more than two metres or more and must be protected by safety standards and with metal sheets. If the area of the local cave is too large or cannot be fully covered with a metal plate, it must be enclosed by a standard (approved) fence;

結果 (英文) 3:

When the underground tunnel can make workers fall more than two meters or more, it must be protected with metal plates and closed properly according to safety standards. When the area of the underground tunnel is too large or cannot be completely covered with metal plates, it must be enclosed with standard (approved) fences;