Which example is not the proper use of a casting of a toolmark?

a) comparing with the cast of a suspect tool
b) comparing with a photograph of a suspect tool
c) examining for other trace evidence adhering to the cast
d) comparing directly to a suspect tool

which best describe annealing

a) glass mixture cools without crystallizing
b) glass mixture is combined with molten tin
c) the glass mixture is melted
d) chemicals are mixed to form glass