1 As well as not punching someone in the chin, do not punch them in the temple, this, if punched hard enough can kill someone instantly. 2  Aiming for the head and skull area could break your knuckles. 3  As with any martial arts technique, showing discipline with regard to one's knowledge is a truer measure of one's skill. If you throw a jab and it doesn't connect, you know you need to move closer in order to throw a punch that hits the target. 2  Keep your combatant away from you. 3  Throwing a jab, or a series of jabs, is a way of keeping your combatant from getting too close to you.
Electric current can be either direct current (DC) or alternating current (AC). With DC, the direction of flow is constant. With AC, the direction of flow changes rapidl â¦ y from one direction to the other. + 19 others found this useful.
two types of magnetic poles: North and South magnetic poles. 2. Since there are two types of magnetic poles, there are two types of magnetic forces: attractive or repulsive. DEMO domain model and two magnets . 3. The magnetic force is transmitted through the magnetic field (defined as B-field). 4.