自然 しぜん発火 はっか

shizen hakka

1. Not spontaneous combustion.; It's not natural ignition.

1. Was spontaneous combustion.

1. Spontaneous combustion with ; Naturally igniting with

1. Spontaneous combustion; Self-ignition

1. It is not spontaneous combustion.; It is not natural ignition.

1. It's not spontaneous combustion.; It's not natural ignition.

1. It spontaneously combusted.; It was a spontaneous combustion.

1. Natural combustion.; It spontaneously ignites.

1. It is not spontaneous combustion.; It isn't self-ignition.

1. Didn't spontaneously combust.; Wasn't natural ignition.

1. Probably spontaneous combustion.

1. It did not spontaneously combust.; It wasn't natural ignition.

1. It didn't spontaneously combust.; It wasn't natural ignition.

1. Probably spontaneous combustion.; Likely to ignite on its own.

1. It was not spontaneous combustion.; It was not self-ignition.

1. If/when spontaneous combustion…; If it spontaneously combusts…

1. if naturally combusting; if it spontaneously ignites

1. If/when spontaneous combustion…; If it spontaneously combusts…