Làm giúp mình với ạ 12. Working outside with underground cabling can be dangerous. The damp soil around the cable is a good conductor of electricity and ground faults are quite common in the case of undergound cabling. Using a spade to dig at the cable can ………………….. the wiring easily so it is better to dig at the cable by hand while wearing insulated gloves. 13. Always ……………… a cap …………… the hot/live wire while working on an electric board or service panel as you could end up short circuiting the bare ends of the live wire with the neutral. The cap insulates the copper ends of the cable thus preventing any kind of shock even if touched mistakenly. 14. Take care while removing a capacitor from a circuit. A capacitor srores energy and if it is not properly discharged when removed it can easily cause an ................... 15. Always take care while soldering your circuit boards. Wear goggles and keep yourself away from the fumes. Keep the solder iron in its stand when not in use; it can get extremely hot and can easily ………. burns.