煤制油

• 火(fire)RADICAL
• 某(something; a certain thing)PHONETIC

Coal is a fuel extracted from the earth's interior that burns into fire.

• 巾(cloth; scarf)ASSOCIATIVE
• 刂(knife; cut)RADICAL

Making is using a knife to cut cloth into a desired shape.

• 氵(water; liquid)RADICAL
• 由(from; due to; oil (phonetic))PHONO-SEMANTIC

Oil is a liquid that flows from a natural source.