| 摘要 |
A method for carrying out work on an object which is present under water, in particular, a shipwreck, wherein persons make their way to the object under water and carry out the work in artificial light. A cover is provided over the object, which cover in the main abuts the bottom on which or in which the object is present in surrounding relationship with respect to the object. The cover encloses a space in which persons can work and it comprises an entrance for admitting persons to the space.
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