I'm building a volcano exploration vessel. Do I need to make my customers sign a waiver?

It's nearly ready, I just need to find a really long rope then I can start selling tickets. It's risk-takers like me that make this country great so I want loads of praise regardless of what happens.

But there's a 0.0000000001% chance something might go wrong so should I ask my customers to sign a waiver?
Im building a volcano exploration vessel. Do I need to make my customers sign a waiver?
I'm building a volcano exploration vessel. Do I need to make my customers sign a waiver?
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