boat cap connector equipment pipe line pipeline piping plumbing ship water yacht connector watering coupling garden hose hosepipe irrigation pipe pistol sprinkler angled angles arranged arrangement casual chaotic clamping clamps connected connectors disorderly disorganized engineering haphazard hollow irregular metal metalwork nuts-and-bolts pile piled pipes random rust rusting steel surfaces surfacing textured textures thread threading uneven unmethodical unsystematic variations variety weathered