In Norse mythology, Jotuns were the race of giants, separated into categories such as frost and storm giants. The first race drowned in Ymir's blood, and were repopulated by Bergelmir.
... a smaller extent by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by ...