Cavity Seals and Cavity Plugs
The diagram displays the PartOrUsageRelatedSpecifications for Cavity seals and plugs. Both are used to seal Cavities. A cavity plug is used for a single cavity that has no wire in it, a cavity seal is used to seal a single cavity together with a terminal and a wire.
For both are special types existent that do not seal a single cavity, but a couple of cavities at the same time. The MultiCavitySeal and the MultiCavityPlug. For more details see the description of the corresponding classes.