https://en.wikipedia.org/wiki/Shabbat_lamp
Category: halachic Judaism
halachic Judaism: shomer Shabbat
https://en.wikipedia.org/wiki/Shomer_Shabbat
(hachic) Judaism: fish is parve (according to kashrut), but still: according to halakha fish and meat should not be eaten together
https://en.wikipedia.org/wiki/gefilte_fish
halachic Judaism: Blech
https://en.wikipedia.org/wiki/Blech