Please choose the correct solution to the question: How to solder

Solution1: Place the soldering iron in its stand and plug it in.    Wait for the soldering iron to cool down.     Moisten the sponge.    Wipe the tip of the iron on the damp sponge. ...    Melt a little solder on the tip of the iron. ...    The tip of the soldering iron should be a shiny silver color. now its ready to solder

Solution2: Place the soldering iron in its stand and plug it in.    Wait for the soldering iron to heat up.    Moisten the sponge.    Wipe the tip of the iron on the damp sponge. ...    Melt a little solder on the tip of the iron. ...    The tip of the soldering iron should be a shiny silver color. now its ready to solder

Answer format: solution1/solution2
Answer: solution2