Sequence the steps involved in the making of the cast of a shell

1)First, prepares all the necessary equipment and material
2Creating the pattern that desired for the shell
3)Creates the core of the shell by pouring the hollow spaces with meta
4)Creates molds for the shell by filling the corebox with sands and let them combined over time
5)Shake out the sand after the combination already cooled down
6) cast results are finished.

Long term continuous groundwater monitoring, especially with warning systems and anthropic activity monitors