盖革计数器

• 羊(goat radical; cover)ASSOCIATIVE
• 皿(bowl; container)RADICAL

A lid covering a bowl is like a goat sitting on top of the opening to cover it.

• 言(word; speech)RADICAL
• 十(ten)PHONETIC

Calculation is using words to count numbers one by one.

• 娄(many times; piled up)PHONO-SEMANTIC
• 攵(tap; hand motion)RADICAL

Counting numbers is using your hand to tap repeatedly many times in order to calculate.