Pasting a recipe to an assembler copies the source assembler's direction.
Increases the speed of all vanilla belts and loaders by 50%.
Chemical science simplified to require only heavy oil products. Oil processing gives only heavy oil and optional use of cracking.
Basic oil processing only generates Heavy oil (40 Heavy from 100 Crude). Simple but inefficient, with cracking to obtain light oil and gas on demand. Also moves solid fuel to Flammables.