Figuratively, Dr Majak Agoot (2014) referred to this as boiling container of milk (known in Dinka as
Ajop cui) when it has pressure inside it, and if such container's top is not taken off, there is likelihood of bursting and explosion.
For example, whereas in mid-century religious outreach was the province of the Modern Orthodox, with the haredim being somewhat suspicious of ba'alei teshuva (the newly religious), (39) by the end of the century the haredim were heavily engaged in religious outreach, in the National Jewish Outreach Program (NJOP), the Association for Jewish Outreach Programs (
AJOP), with which hundreds of Orthodox outreach organizations are affiliated, and in the Orthodox Union's National Conference of Synagogue Youth (NCSY), among others.