Su Yao knew the terror of extreme cold all too well, and this time, she was determined to make thorough preparations.
She first went to a large outdoor gear store. Upon entering, she headed straight for the thick, insulated tent section. The tent she chose had an outer layer of high-tech fabric with excellent wind and water resistance, capable of withstanding biting winds and heavy snow. The interior was filled with a large amount of insulating cotton; pressing it with her fingers, she could feel its substantial thickness. She imagined this tent as a warm little haven in the extreme cold, so she bought several of different sizes—large ones for group shelter and smaller ones for temporary setups while searching for supplies.
A warm sleeping bag is also crucial. She chose a professional-grade cryogenic sleeping bag filled with high-quality goose down, boasting exceptional loft. She carefully checked the sleeping bag's specifications to ensure it could maintain warmth even in sub-zero temperatures. The zippers on these sleeping bags were specially designed to seal tightly, preventing cold air from getting in. Su Yao carefully placed the sleeping bags one by one into her shopping cart, as if collecting precious treasures.
Next came the warm clothing. Su Yao selected a large number of thick down jackets, all with a down content of over 90%. The outer fabric was not only waterproof but also windproof. She picked one up and gently squeezed it; the down jacket quickly bounced back, demonstrating its excellent loft. In addition to down jackets, there were also thick thermal pants, made of several layers of different materials, including fleece and a windproof membrane. She also bought many thermal underwear, which used a new type of heat-generating fiber that could generate heat upon contact with the skin. Hats, scarves, and gloves were also essential. She chose gloves with a leather outer layer and a fleece lining, and the fingertips were specially treated for easy handling in the extreme cold.
Snow boots were also a key purchase item. The snow boots Su Yao chose had deep, non-slip treads on the soles, ensuring stability on icy and snowy surfaces. The boot shafts were high, and the boots were filled with thick wool, providing both warmth and comfort. She bought snow boots in various sizes to ensure everyone had a suitable pair.
Regarding fuel, Su Yao was much better prepared. She contacted a coal supplier and purchased a large quantity of high-quality coal. This coal burns with high calorie content and produces little smoke. She also bought many metal drums for storing the coal to prevent it from getting damp. At the same time, she didn't forget to buy some portable and easy-to-use solid alcohol, which burns for a long time and is safer to use in small spaces. In addition, she prepared a large quantity of firewood, but this firewood had undergone special treatment to make it drier and more flammable.
Su Yao was very selective about her heating equipment. She bought several large oil-fired heaters, which are powerful and can quickly raise the room temperature. She also bought many small electric heaters; although electricity might be unstable in the apocalypse, these heaters could serve as supplementary heating tools when generators were available. To ensure the heaters functioned properly, she also purchased enough fuel and spare electric heater parts.
In addition to these, Su Yao also considered the details of living in extremely cold environments. She bought many thermos flasks and insulated cups, which have excellent heat retention, keeping hot water at a comfortable temperature for a long time. She also bought a large number of hand warmers, small heat packs that can be attached to clothing to provide extra warmth to the body. For lighting, she chose lamps that can operate normally in low temperatures, and whose batteries are also cold-resistant and will not fail due to low temperatures.
Su Yao also purchased some special heating pads. These pads can be placed on the floor or chairs to insulate against the cold of the ground and objects. They contain special insulating materials and heating wires, and can generate continuous heat by being charged by solar energy or powered by batteries.
In terms of food supplies, Su Yao opted for more high-calorie foods, such as chocolate, beef jerky, and compressed biscuits. These foods not only provide sufficient energy but also maintain a relatively good taste and edibility at low temperatures. She also purchased some cookware that can be cooked at low temperatures; these cookwares are made of special materials that will not become brittle at low temperatures.
Regarding medical supplies, she prepared more medicines and equipment for treating frostbite, including frostbite cream, disinfectant, and bandages. She also purchased some infrared heating lamps, which can be used to treat mild frostbite and promote blood circulation.
Su Yao carefully considered every type of supply and every detail. She knew that these extreme cold-weather supplies were her and her family's hope for survival in the harsh cold of the apocalypse, and she would never allow the tragedy of her previous life to repeat itself.
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