There are a few initial markings like in the photo, but they are mostly unused. [Technical Information] This handbook provides detailed explanations of construction methods and technical information for port construction. In particular, there is a chapter on construction using grab dredgers, which is explained with concrete examples. [Practicality] It contains a wealth of information useful for practical work and is an essential book for engineers and industry professionals involved in port construction. It includes content that contributes to improving construction efficiency and safety. [Reference Materials] It can also be used as a reference material to deepen understanding of construction methods and techniques. The content is expected to be applied in actual construction sites. - Title: Port Construction Handbook - Publisher: Port and Airport Research Institute - Contents: Technical information and construction methods related to port construction - Size: A4 Thank you for viewing.