When the average person considers plastic molding, the cold runner method often come to mind first. Just because something is more popular, doesn't always mean it's better. In many instances, the hot runner method yields better results. With the hot runner method, controlled heating devices are inserted into the mold to maintain the material's temperature at a level that allows for a molten-like flow. Maintaining the mold material's temperature at this level affords a number of benefits.
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Many new homeowners with their first propane heat system find themselves startled and confused when they discover frost on the regulator of the tank. If this has happened to you, it's important to understand that most frosted regulators aren't a big deal. It is equally important, though, to know when it should be a concern. Here are a few things you should know if you're new to propane in your home.
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