summary of Shiur 781:
This shiur introduces the melachos of Boneh (building), Soseir
(demolishing), and Makeh B’patish (the final hammer blow) as presented
in the Chayei Adam over the next 6 Klalim. In this shiur, we define
the av melacha of Boneh and its two primary toldos: creating an ohel
(tent/covering) and assembling a kli (vessel). We also discuss the
difference between the av and its toldos.