If you get tin and melt it and get led and melt it they boath melt at diffant temptures but you add them together you get solder witch melts at a lower tempture then the boath of them so if you mix drugs that have not been trylid together you dont know how they are going to react together all drugs should have to be trylid together befor they are used together are they or are they giveing you untried drugs and risking your lifes
