Final answer:
Strict liability could be applied in cases where a lifeguard fails to save a drowning child and where a tested oil lamp explodes and causes injury.
Step-by-step explanation:
In strict liability cases, the defendant can be held liable for harm caused by their actions, regardless of whether they were negligent or intended to cause harm. Based on the given options, strict liability could be applied in the following cases:
- A lifeguard not saving a drowning child: If a lifeguard fails to act and save a drowning child, they can be held strictly liable for the child's injuries or death.
- An oil lamp, tested several times for safety, explodes and causes injury: If an oil lamp that has been tested and deemed safe still explodes and causes injury, the manufacturer can be held strictly liable for the injuries.