Bitumenske mešanice na osnovi naravnega asfalta, naravnega bitumna, bitumna iz nafte, mineralnega katrana ali mineralne katranske smole (na primer, bituminozni kit, "cutback"):
Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous mastics, cut-backs):