The porcelain or ceramic soup bowl is worth $15. **

An immersion heater can be safely placed in a metal container, as long as the metal is non-corrosive and can withstand the heat generated by the heater. However, it is not safe to place an immersion heater in a plastic container, as the heat can cause the plastic to melt or release harmful chemicals. It is important to always check the manufacturer's guidelines and recommendations for the specific immersion heater being used to ensure safe and proper usage. **

To remove stains from plastic and glass after the washing machine, you can try using a mixture of baking soda and water to create a paste. Apply the paste to the stained areas and let it sit for a few minutes before scrubbing with a sponge or brush. For tougher stains, you can also try using white vinegar or lemon juice to help break down the stains. Additionally, using a commercial glass and plastic cleaner may also help to remove stubborn stains. **

When machining acrylic glass, it is important to use sharp cutting tools and to avoid high cutting speeds, as this can cause the material to melt and create rough edges. It is also important to use a slow feed rate to prevent chipping and cracking. Additionally, using a coolant or lubricant can help to reduce heat buildup and improve the surface finish of the machined acrylic glass. Finally, it is important to secure the material properly to prevent vibrations and ensure accurate cutting. **

A metal connection is generally considered better for a washing machine connection as it is more durable and less prone to cracking or breaking compared to plastic. Metal connections also provide a more secure and stable connection, reducing the risk of leaks or water damage. Additionally, metal connections are typically more resistant to wear and tear over time, making them a more reliable choice for long-term use. **

Wood, plastic, and metal each have different properties that affect how they are processed with a milling machine. Wood is relatively soft and fibrous, so it can be cut quickly with a high-speed cutter. Plastic is also relatively soft, but it can melt if it gets too hot, so it requires a lower cutting speed and careful chip evacuation to prevent heat buildup. Metal is much harder and requires slower cutting speeds and more robust cutting tools to remove material effectively without overheating. Additionally, metal often requires the use of coolants or lubricants to reduce friction and heat during the milling process. **

To remove melted plastic from a ceramic glass cooktop, start by turning off the cooktop and allowing it to cool completely. Once it's cool, use a plastic scraper or a credit card to gently scrape off as much of the melted plastic as possible. Then, apply a small amount of ceramic cooktop cleaner to the affected area and use a soft cloth to gently scrub away any remaining residue. Finally, wipe the cooktop clean with a damp cloth and dry it thoroughly. Avoid using abrasive materials or harsh chemicals, as they can damage the cooktop surface. **

Plastic parts in the washing machine can be durable and resistant to water and detergent, making them suitable for use in the machine. However, over time, plastic parts may become worn or damaged, leading to potential issues with the machine's performance. It's important to regularly inspect and maintain plastic parts in the washing machine to ensure they are functioning properly and to replace any damaged parts as needed. Additionally, using a gentle cycle and avoiding overloading the machine can help prolong the life of plastic components. **