Hourglasses typically use fine-grained sand that flows easily through the narrow opening between the two glass bulbs. This sand is often specially chosen for its uniform size and weight to ensure accurate timekeeping. The sand used in hourglasses is usually a type of silica sand or synthetic material that is carefully calibrated for consistent flow rates. **

In Mystic Messenger, hourglasses are the premium in-game currency used to purchase various items and features within the game. Players can earn hourglasses by completing tasks, participating in events, or purchasing them with real money. Hourglasses are essential for unlocking new story content, calling characters, and accessing special features that enhance the gameplay experience. Players can also use hourglasses to reset missed chatrooms or unlock missed story segments. **

In Mystic Messenger, hourglasses can be obtained through various methods such as completing chatroom conversations, participating in the game's story mode, and by receiving them as rewards for completing certain tasks or achievements. Another way to earn hourglasses is by logging in daily and collecting them as part of the daily login rewards. Additionally, players can purchase hourglasses using real money through the in-game store. **

You can get more hourglasses in Mystic Messenger by participating in the game's events and completing tasks. You can also earn hourglasses by logging in daily and checking the in-game chat rooms regularly. Another way to obtain hourglasses is by completing the game's story modes and achieving different endings. Additionally, you can purchase hourglasses through in-app purchases if you want to acquire them more quickly. **

No, it is not possible to pay for hourglasses in Mystic Messenger with credits. Hourglasses are a premium in-game currency that can only be purchased with real money through the in-game store. Credits, on the other hand, are a different type of currency used for unlocking chatrooms and other in-game features, but they cannot be used to purchase hourglasses. **

A gas heater uses a spark to ignite the gas and create a flame. Once the gas is ignited, it continues to burn and produce heat without the need for a continuous spark. Therefore, after the initial spark, there is no need for it to remain lit as long as the gas is burning. This is why you may only see a spark when the gas heater is turned on, and not a continuous flame. **

To heat a plate over a candle flame, you can hold the plate above the flame at a safe distance to avoid direct contact with the flame. Move the plate back and forth over the flame to evenly distribute the heat. Be cautious not to hold the plate too close to the flame to prevent it from getting too hot or potentially breaking. **

No, ember is not hotter than fire. Ember is the glowing remains of a fire that has started to die down, whereas fire is the active, burning flames produced by a combustion reaction. Fire typically burns at a higher temperature than ember, as it is actively consuming fuel and releasing heat and light. **