... , garages and parking lots, and security lamps, anti-theft lamps, pilot burners and indicator lamps in factories and ... such as mercury, lead, etc. 3:In addition, it can be recycled. 4:Esight protection, DC driving, ... factor. 5:There are no safety concerns for it needs small voltage and current and has low ... heat radiation, therefore, it can be used in dangerous places such as mines ...