17 Seals and Gaskets Made from Rubber and Plastic Materials for Motors, Transmissions, Machines and Apparatuses-Namely, Oil Seals, O-Rings, Valve Cover Gaskets, Valve Stem Seals, Carburetor-Air Filter Seals, Cylinder Head Gaskets, Camshaft Support Seals, Oil Pan Gaskets, and Push Rod Space Seals and Profile Rings