Kapok life jackets require proper care and should NOT be __________.

Correct Answer: Option D — all of the above

Kapok life jackets rely on buoyant material that is easily degraded by physical abuse or environmental hazards. Using them as seats or pillows compresses the kapok, destroying its buoyancy. Storing them near heat sources or open decks risks fire damage or material rot, rendering the device ineffective during emergencies.