Cake (firework) been blown off by the discharging stars). In a traditional cake, all the candles point upwards; a variant is called the "fan" or "angle" cake. Cakes are one of the most popular types of firework, as they can create spectacular and long-lasting effects from a single ignition while minimising safety concern. In the UK, the reclassification of aerial shells to Category 4 has popularised cakes as a method for achieving similar effects while staying within safety guidelines, particularly by firing multiple candles at the same time. Cakes vary greatly in size, weight and duration. Some last only a few seconds
Rocket-propelled grenade on armour forms mainly due to a sudden and intense mechanical stress and does not melt its way through armor, as its effect is purely due to kinetic energy in nature. An RPG comprises two main parts: the launcher and a rocket equipped with a warhead. The most common types of warheads are high explosive (HE) and high explosive anti-tank (HEAT) rounds. HE rounds can be used against troops or unarmoured structures or vehicles. HEAT rounds can be used against armoured vehicles. These warheads are affixed to a rocket motor and stabilized in flight with fins. Some types of RPG