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. **

Yes, there are several differences between a plastic and a ceramic toilet cistern. Ceramic cisterns are generally more durable and long-lasting compared to plastic cisterns. They are also less likely to discolor or stain over time. Additionally, ceramic cisterns are often considered more aesthetically pleasing and can add a touch of elegance to a bathroom. However, plastic cisterns are typically more affordable and easier to install. **

The price of bio-plastic can vary depending on factors such as the type of bio-plastic, the quantity being purchased, and the supplier. Generally, bio-plastics are more expensive than traditional plastics due to the higher production costs associated with sourcing and processing renewable materials. However, as demand for sustainable alternatives to traditional plastics increases, the price of bio-plastics may become more competitive. It is important to consider the long-term environmental and social benefits of using bio-plastics when evaluating their price. **

The price of brass can vary depending on factors such as market demand, location, and quality of the brass. As of [current date], the average price for brass is around $2.50 to $3.50 per pound. It is recommended to check with local scrap yards or metal dealers for the most up-to-date pricing information. **

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. **

The selling price for secondhand Weimarer porcelain can vary depending on factors such as the age, condition, rarity, and desirability of the specific piece. Generally, prices can range from $50 to several hundred dollars for individual pieces or sets. It is recommended to research recent sales of similar items to get an idea of the current market value before setting a selling price. Additionally, factors such as provenance or unique design elements can also impact the selling price. **

The selling price for secondhand Weimar porcelain can vary depending on factors such as the condition of the pieces, the rarity of the design, and the current demand in the market. Generally, a good selling price for secondhand Weimar porcelain can range from $50 to $200 per piece. It is recommended to research similar items that have recently sold to get an idea of the current market value before setting a price. **