'This type of headlight that uses a trace of bromine or iodine vapor is the standard in auto manufacture'
halogen
GENERAL SCIENCE: This type of headlight that uses a trace of bromine or iodine vapor is the standard in auto manufacture
This type of headlight that uses a trace of bromine or iodine vapor is the standard in auto manufacture
This type of headlight that uses a trace of bromine or iodine vapor is the standard in auto manufacture
"GEN"ERAL SCIENCE
halogen
"GEN"ERAL SCIENCE