13. Damages, malfunctions, o allures caused by abuse, accident, fire, flood, freeze, lightning, acts of God and the ke, 14. Tank failures (sale) caused by operating the wale heater in a locomotive or contaminated atmospheres. 15. Damages, malfunctions, or failures caused by operating the water Hester with an employ or paralysis employ tank ("dry finding, or failures caused by operating the water heater when it is not supplied with potable water, free to circulate at all times. 1&.