You would typically wash heavily soiled items such as kitchen towels, cleaning cloths, and bedding at 90°C. This high temperature helps to kill bacteria and remove tough stains. It is important to check the care label of each item to ensure that it can withstand such a high temperature wash. **

At 90°C, a laptop can experience overheating, which can lead to performance issues or even damage to internal components. The battery may also be affected, potentially causing it to degrade faster or even swell. It is important to avoid exposing a laptop to such high temperatures to ensure its proper functioning and longevity. **

Work pants should not be washed at 90°C unless they are heavily soiled and require a deep cleaning. Washing at such a high temperature can cause the fabric to shrink, fade, and wear out faster. It is recommended to wash work pants at a lower temperature, around 30-40°C, using a heavy-duty detergent to effectively remove dirt and stains. If necessary, pre-treat any stubborn stains before washing. Additionally, it is important to follow the care instructions on the garment's label to ensure proper washing and maintenance. **

To solve this problem, we can use the principle of conservation of energy. We know that the heat gained by the cold water (20°C) plus the heat gained by the hot water (90°C) must equal the total heat in the final mixture at 37°C. Using the formula Q = mcΔT, where Q is the heat gained, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature, we can calculate the amount of water needed. By setting up and solving the equation, we find that approximately 40 liters of water at 20°C must be added to the 80 liters of water at 90°C to obtain a bathtub with a temperature of 37°C. **

The electricity consumption of a washing machine varies depending on the temperature setting and the specific model of the machine. Generally, washing machines consume more electricity at higher temperatures, such as 90°C, due to the increased energy required to heat the water. At lower temperatures, such as 30°C, the electricity consumption is lower. However, the exact amount of electricity consumed at different temperatures will depend on the specific energy efficiency of the washing machine and the duration of the wash cycle. It is recommended to refer to the energy label or user manual of the washing machine for specific information on electricity consumption at different temperatures. **

Water softener tabs are designed to dissolve in water to release the active ingredients that help soften hard water. However, there are instances where water softener tabs may not dissolve completely, such as if the water temperature is too low or if there is a lack of water flow in the system. In these cases, it is recommended to check the water temperature and ensure proper water flow to help the tabs dissolve effectively. **

Yes, the CPU running at over 90°C could be an indication that the AIO water cooler is defective. AIO water coolers are designed to dissipate heat from the CPU, and if it is not functioning properly, it could lead to higher temperatures. It's important to check for any potential issues with the AIO water cooler, such as pump failure or blockages, and consider replacing it if necessary to prevent damage to the CPU. **

To wash sports clothing at 90°C without it stretching out, you can follow these steps: 1. Use a gentle cycle: Choose a gentle or delicate cycle on your washing machine to minimize the agitation and stretching of the fabric. 2. Use a laundry bag: Place the sports clothing in a mesh laundry bag to protect it from excessive stretching during the wash cycle. 3. Use a suitable detergent: Use a detergent specifically designed for sports clothing, as it will help maintain the fabric's elasticity and prevent stretching. By following these steps, you can effectively wash sports clothing at 90°C without causing it to stretch out. **