1. For a bar mitzvah, of course, a watch is the most appropriate. To become an independent and social man, a decent watch is a must. A high-quality watch on your wrist will make people feel that your parents have a sense of trust, can recognize themselves, and are already an adult. The coming-of-age ceremony means the transformation of children into adults, which is an important and memorable moment for them. Therefore, among the many options, commemorative gifts are the best. As parents, they can customize some exclusive gifts for their children, such as necklaces made with names, real-life clay dolls made with children’s photos, etc. Such gifts are particularly valuable for children to collect.

3. Customized gifts: Customized gifts are most suitable for commemorative gifts. The characteristics of exclusive customization make customized gifts more commemorative and more meaningful. When children come of age, parents can carefully create a gift for their children. It is more attentive and more commemorative. I believe that such a gift will be the most valuable thing in children’s hearts, and children will definitely cherish it.

4. Creative gifts: Although children are adults, they are still children at heart. There are also young people who pursue individuality and fresh personality. Creative gifts are things that children will like. It is easier to attract children’s attention, especially as parents. If you can think of choosing such adult gifts to give them, it will surprise them and shorten the distance.

5. Finally, you can simply choose some things that children usually like or will use as adult gifts. Parents giving children gifts is nothing more than to make children happy and give children what they like. All you need are good choices, such as pens, water glasses, etc., which are all things to choose from.

Is the water vapor produced by the heating bag toxic?

Not toxic, because the heating bag is quicklime, which reacts with water to generate slaked lime and emits a lot of heat, which can be used to boil eggs and so on. The water vapor produced is non-toxic.

What is the function of the steam drum?

The steam drum (also known as the drum) is the most important pressure-receiving element in a natural circulation boiler. The main functions of the steam drum are:

1: It is the connection hub of the three processes of heating, evaporation and overheating of the working medium to ensure the normal water circulation of the boiler.

2: There is a steam-water separation device and a continuous sewage discharge device inside to ensure the steam quality of the boiler.

3: There is a certain amount of water, with a certain heat storage capacity, to ease the speed of change of steam pressure.

4: There are pressure gauges, water level gauges, accident water discharge, safety valves and other equipment on the steam drum to ensure the safe operation of the boiler.