Group 1 - The article highlights the safety hazards associated with using double-layer stainless steel bowls for holding hot oil, as they can explode due to thermal expansion when exposed to high temperatures [3][2] - It emphasizes that double-layer stainless steel bowls, while popular for their heat insulation and durability, should not be used to directly hold hot oil, as this can lead to irreversible structural damage and potential injuries [3] - Other types of bowls, such as thin ceramic and ordinary glass bowls, are also mentioned as being unsafe for holding hot oil due to similar risks of breaking and causing burns [5][6][8] Group 2 - The article provides emergency treatment steps for hot oil burns, including rinsing the affected area with cold water for 15-30 minutes, avoiding direct pressure on burned skin, and covering the area with sterile gauze to prevent infection [10][12][15] - It advises that for severe burns, immediate medical attention is necessary to ensure proper treatment [16] - The article also discusses general kitchen safety tips, such as avoiding the use of multiple high-power electrical appliances simultaneously and ensuring that electrical wiring is regularly checked to prevent accidents [18][19]