聚合作用

• 取(take; gather)ASSOCIATIVE
• 乑(many people standing together)ASSOCIATIVE

Many people pulling together to the same place to gather and stay together.

• 亼(gather; converge; cover up)ASSOCIATIVE
• 口(mouth; box)RADICAL

A lid sealed tightly over a box's mouth combines into one whole.

• 亻(person; people)RADICAL
• 乍(sudden; just beginning)PHONO-SEMANTIC

A person beginning to do something is the action of making or creating.

• 用(use; utilize)ASSOCIATIVE

A bucket with a handle is what people pick up and use every day.