Sabai, I think that you should know that mercury thermometers are readily avail in most Latin and South American countries. I should also note that I once had a Keith Monks tone arm that used four mercury baths both to give contact between the cartridge cables and to provide dampening for the arm.
I have also noted that indium is used in lead free solder. It is used in nuclear medicine. I also note, "oral indium compounds do not have the chronic toxicity of salts of heavy metals, probably due to poor absorption in basic conditions."
I think you have greatly exaggerated concerns about this metal. I also think that Teo has made a very constructed cables that without deliberate effort should keep the conductive liquid inside.
I have also noted that indium is used in lead free solder. It is used in nuclear medicine. I also note, "oral indium compounds do not have the chronic toxicity of salts of heavy metals, probably due to poor absorption in basic conditions."
I think you have greatly exaggerated concerns about this metal. I also think that Teo has made a very constructed cables that without deliberate effort should keep the conductive liquid inside.