Grab (tool)

A grab is a mechanical device with two or more jaws (sometime clamshell-shaped), used to pick things up or to capture things. Some types include: * Roundnose grab * Clamshell grab * Orange-peel grab * in Dutch and German they are called poliep grijpers/ Polypengreifer = "polyp grabs". There are different ways of open/close the grabs: * electro-hydraulic / diesel-hydraulic * mechanical by rope(s) (1-rope, 2-ropes, 3-ropes, 4-ropes) Grabs can be used for: * dredging * bulk handling (e.g. loading/unloading ships) * salvage (e.g. ship-wrecks, oil)

Grab (tool)

A grab is a mechanical device with two or more jaws (sometime clamshell-shaped), used to pick things up or to capture things. Some types include: * Roundnose grab * Clamshell grab * Orange-peel grab * in Dutch and German they are called poliep grijpers/ Polypengreifer = "polyp grabs". There are different ways of open/close the grabs: * electro-hydraulic / diesel-hydraulic * mechanical by rope(s) (1-rope, 2-ropes, 3-ropes, 4-ropes) Grabs can be used for: * dredging * bulk handling (e.g. loading/unloading ships) * salvage (e.g. ship-wrecks, oil)