Zinc does not have an odor but welding or soldering of parts
coated in zinc can produce an odor. The odor itself is not harmful,
but it is likely to be accompanied by zinc fume (very small
particles of zinc metal in the air. Breathing zinc fume can result
in a condition call zinc fume fever, which feels at first much like
the flu, but can have more severe effects if you have breathed in
enough of he fume..