The Kadomtsev model explains rapid temperature drops in these devices called sawtooth relaxations. One type of these devices are protected from kink instabilities (10[1])when the safety factor is greater (10[2])than (10[1])one. (10[4]-5[3])Another (10[1])type of these devices (10[1])heats a hohlraum (-5[1])using laser pulses (10[3])in a technique (10[2])called ICF. (10[2]-5[4])The (10[1])first one (-5[1])of these (10[1]-5[1])devices (10[2])to achieve a Q (10[1])greater (10[1])than (-5[1])one (10[9])is (10[1])the National (10[3]-5[1])Ignition (10[3])Facility, (10[15])which (-5[1])uses (10[1])internal (10[3])confinement. (10[6]-5[1])Magnetic fields (-5[1])confine (10[1])plasma (10[3]-5[1])in a (10[1])toroid (10[4]-5[3])in the (10[1])stellarator (10[1]-5[1])and tokamak types of these (10[1])machines, (10[2]-5[1])and these devices often use deuterium and tritium for fuel. (10[3]-5[1])For (-5[1])10 points, (-5[1])name these devices (10[1])that seek to produce power (10[1]-5[1])by combining (10[2])atomic nuclei. (10[2])■END■ (10[17]0[7])