Because thermoplastic materials melt when they are heated !
scientific management reduced the time, effort, and expence of making a car.
scientific management reduced the time, effort, and expence of making a car.
Scientific management increased the efficiency of his operation.
Plastic can be shaped multiple times, but this depends on its type. Thermoplastics can be heated and reshaped repeatedly without significant degradation, while thermosetting plastics, once set, cannot be reshaped. Repeated heating and cooling of thermoplastics allow for recycling and reforming into new products, making them versatile in manufacturing processes. However, excessive reshaping may lead to material fatigue and loss of properties over time.
Depends on what they're made of, not what they are.Anything made of a conducting material is a conductor, whatever it is.Anything made of an insulating material is an insulator, whatever it is.Material properties - conducting or insulating - is more important than shape.Scissors are generally - but not always - made of metal.And metals are usually conductors, making the scissors conductors.But a scissor might have plastic handles. Plastic is usually an insulator, which would make the handles insulators.
because they melt... read thermoplastics very slowly
Thermoplastics are lightweight, flexible, and have good impact resistance. They can be easily molded and reshaped when exposed to heat, making them versatile for various applications. Additionally, thermoplastics are recyclable and environmentally friendly.
Thermoplastics can be recycled because they can be melted and remolded multiple times without significant degradation to their properties. This is not the case for thermoset plastics, which undergo irreversible chemical changes when heated, making them difficult to recycle.
The main differences between a saucepan and a skillet are their shape and depth. A saucepan has higher sides and a lid, making it ideal for cooking liquids and sauces. A skillet has lower sides and a larger surface area, making it better for sauting and frying foods.
Hydrogen bonding increases the intermolecular forces between polymer chains in thermoplastics, making them more rigid and less flexible. This can result in higher melting points and improved strength and durability of the material.
No, melamine is not typically used for making handles of saucepans. Handles are usually made from materials such as stainless steel, silicone, or heat-resistant plastics. Melamine is more commonly used for making dishware, utensils, and decorative items.
Thermoplastics are easily molded because they soften when heated and harden when cooled, allowing them to be reshaped multiple times. This characteristic is a result of their long, linear molecular chains, which can move and slide past each other when exposed to heat, making them highly moldable.
Thermoplastics are preheated using heat sources such as ovens, infrared lamps, or hot air blowers. The preheating process softens the material, making it more pliable and easier to shape or mold. This step is essential for achieving uniform heating and ensuring proper molding of thermoplastic materials.
The handle of the saucepan would heat up when on the hob. It heats up due to the vibrating particles vibrating more as heat is added . the higher vibrating particles will now rub others whilst vibrating and heat them up so on son - until the particles are all hot and making the handle hot.
The best pot for candy making is a heavy-bottomed saucepan or a copper pot, as they distribute heat evenly and prevent scorching.
The term "saucepan" derives from the combination of "sauce" and "pan." The word "sauce" comes from the Latin "salsus," meaning salted, which refers to the liquid used in cooking. The "pan" part of the word simply refers to a shallow cooking vessel. Thus, a saucepan is specifically designed for making sauces or cooking liquids.
The main differences between a saucepan and a frying pan are their shape and intended use. A saucepan has higher sides and a lid, making it better for cooking liquids and sauces. A frying pan has lower sides and is used for cooking foods quickly over high heat.