According to the present understanding, there are four fundamental interactions or forces: gravitation, electromagnetism, the weak interaction, and the strong interaction.
This poster is printed on tear resistant water proof material, it is suitable for outdoor and indoor use.
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Custom Orders accepted.
Proudly Made in the USA.
4-5 business days
Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.
Just contact me within: 14 days of delivery
Ship items back to me within: 30 days of delivery
But please contact me if you have any problems with your order.
Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for:
Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.