Metal oil drip trays semi-permanently attachable to the underside of vehicles to contain oil leakage from the vehicle engine and/or transmission system, parts and accessories therefor; metal oil drip trays and frames to support the trays, the metal frames semi-permanently attached to the underside of vehicles to contain any fluid leakage from the vehicle engine and/or transmission system, parts and accessories therefor; oil drip trays for containing fluid leakage underneath vehicles and which are attachable to vehicles