If someone is engaged in a highly dangerous activity (sky diving or scuba diving), then normally assumption of risk waivers must be signed. Are those waivers always effective, or can you imagine a situation where liability could still be imposed? Explain.

 If someone is engaged in a highly dangerous activity (sky diving or scuba diving), then normally assumption of risk waivers must be signed. Are those waivers always effective, or can you imagine a situation where liability could still be imposed? Explain.