Hatches details Cad block in AutoCAD, dwg file.

This Architectural Drawing is AutoCAD 2d drawing of Hatches details Cad block in AutoCAD, dwg file. the engraving or drawing of fine lines in close proximity especially to give an effect of shading also : the pattern so made. The major objective of hatch covers and coamings on ships is to prevent the ingress of water into the cargo hold and protect the goods from being damped and damaged.