where are places i can get tagging markers?
Please define "tagging markers". How do they differ from regular markers, if they do, and what is their purpose?
what is "tumour markers"?
Tumor markers are substances, usually proteins, that are produced by the body in response to cancer growth or by the cancer tissue itself. Some tumor markers are specific, while others are seen in several cancer types. Many of the well-known markers ...
What do red roadway markers mean?
I have never seen any red markers (I live in the U.S). If your talking about orange markers I just steer clear of those.