The three arrows represent Reuse, Reduce, Recycle. It just means by reducing waste, reusing resources, and recycling, we help the environment.
it's what type of plastic or glass it is
The arrows are going in a cirle/cycle. The arrows continue to go around. therefore, the arrows going in a circle means that they keep going around and around. Just like re-using things.
To recycle There are 3 arrows in the recycle symbol.
tell you what side the gas door is on we all forget from time to time