What grade oil vz comm?

VZ (Verizon) and COMM (Communications) typically refer to different sectors or companies rather than oil grades. If you meant to inquire about oil grades, they are classified based on their viscosity and density, with common grades including light, medium, and heavy crude oils. Each grade affects the oil's extraction, transportation, and refining processes, impacting overall market value and usage. If you meant something else, please clarify!