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plastic vs glass beakers?
- glass beakers don't conduct heat whereas plastic beakers would melt when heated (that's a big difference-heating is extremely important in chemistry labs). glass probably breaks easier than plastic. glass might be to a degree clearer than plastic/easier to see through. plastic may react with certain substances whereas glass is unreactive.s
cats and plastic?
- This is a more difficult behavior to explain, and some cats are more prone to it than others. Most feline behaviorists have come to believe that some cats find a slight odor to the plastic and/or film surfaces simply irresistible, and also that the coolness and texture of the plastic and/or film must feel and taste good on the cat's tongue. It may also be another form of trying to nurse - sort of a feline oral compulsive behavior.s
How do people do Plastic Surgery?
- Plastic surgery where? It goes wrong like any surgical process. Not sure what you mean how does it work. Do you have a specific one in mind?s
Why is plastic used in mobile phones?
- Plastics are preferred because they are lightweight, rigid, durable, nonporous, nonconductive, cheap, and readily available. Plastics can be molded to any shape, and they are excellent protection for the delicate electronic components within. Contrast with metal, which conducts electricity, is malleable rather than rigid, and is usually more expensive than plastic. All of the physical properties of plastic that make it an ideal material for use with making phones derive from its molecular structure. Plastics are polymers, long repeating carbon chains, so they are giant molecules, although filler materials are often used that could change this significantly. The monomers can be changed chemically to alter the properties of the finished plastic, leading to an almost limitless variety of plastics that can be used not only for mobile phones, but computers, bags, cups, chairs... nearly anything.s
How do you print on plastic?
- Try this Get a sheet of OHP slide and print on that. you can then stick that to your plastics
How to live WITHOUT plastic?
- The okorder.coms
Plastic or Polycarbonate Lenses?
- If you ask which is better, then plastic is better. When optical professionals look at visual acuity through a lens material, we use what is called an Abby Value. The lower the Abby value, the more chromatic aberration there is to the lens which is a rainbow effect on the edges but which presents itself as blurriness. Polycarbonate has the lowest Abby value of any material - 29. Glass has the highest (but I would never recommend glass). Plastic is just below that, followed by a material called Trivex. Many opticians call polycarbonate polycrap. That's what it really is. However, if you need a thinner, lighter lens as determined by your actual prescription, which you did not give us, then, Trivex or a 1.60 Hi Index material are available. Besides lens materials, the shape, size and width of the frame influences the thickness of the lens. That is why it is imperative to have an Eye Care Professional like an optician help you pick out the frame that is best suited to your prescription. Individuals outside the industry have no idea what to get because they are not versed in the science of optics. Hope this helped.s
is plastic number 5 recycble?
- difficult point. research in bing and yahoo. that could help!s
How do pipes work
- Description: Pipes are used for indoor water collecting.It is very important .So it is necessary for you to familiar with how do pipes work.The following are the some information r...
What to do when your pipes freeze
- “Frigid temperatures can lead to frozen water pipes inside of the home and costly plumbing repairs, while substantial amounts of blowing and drifting snow can impede access to fi...
How to keep water pipes from freezing
- If you don’t want to pay too much money for having your frozen water pipes fixed and be greatly inconvenienced, then follow the steps below to keep your water pipes in tip top sh...
How to thaw pipes
- The best way is to first open all the faucets to release any pressure in the lines. If you can get to it; turn off the valve before the problem pipe you want to thaw. If the pipe h...
what is the best lawn fertilizer
- How do you choose the best lawn fertilizer when there are literally hundreds of fertilizer products to choose from?What do the fertilizer numbers mean?Are organic lawn fertilizers ...