The concept of a stillborn and how brit milah would be permitted on 8th day falling on Shabbat, application to taking blood from a dead body on Shabbat to identify the body
The concept of hiddur mitzvah in the performance of mitzvot and specifically by milah, application to doctor adding stitches on Shabbat to ensure no scarring happens on the skin
The source for brit milah overriding Shabbat laws, how to understand this law- is shabbat merely pushed aside for the mitzvah or is Shabbat suspended for that time? Application to if there will be people violating Shabbat to get to a brit milah