Complex sentence: Aside from toxicity, there are also risks from misuse or accidents such as accidental contact with liquid nicotine, accidental fires caused by vaporizer malfunction, and explosions resulting from extended charging, use of unsuitable chargers, or vaporizer design flaws.
Split into simpler sentences: Aside from toxicity, there are also risks from misuse or accidents such as accidental contact with liquid nicotine. Accidental fires caused by vaporizer malfunction, and explosions resulting from extended charging, use of unsuitable chargers, or vaporizer design flaws.