aluminum
アルミニウム
abstract
argument
argumentation
background
business
cable
communication
concept
conceptual
conflict
contention
controversy
conversation
craft
craftsmanship
debate
difference
disagreement
discrepancy
discuss
discussion
dispute
emotion
evidence
fun
hand
idea
joke
man
meeting
metal
nobody
opinion
polemic
politic
proof
speaking
spiral
talk
toy
variance
wire