I'd say that a common error with visual aids is confusion/misunderstanding. People can sometimes be confused with a visual aid, sometimes due to sight-impairment or misconception.
-Pepetreefrogthe2nd
Domain-specific vocabulary
by grounding the kid
hope this help :) sorry if it doesnt
5 ideas
*use recycled paper
*plastic bottles are bad for the environment
*use less gasoline (ride a bike)
*factories use to much smoke
*reuse pastic bottles
extra:
*don't littler into the ocean