karena dicairkan
plastic
Plastics are made from more than one element and therefore are compounds.
Leather shoes with rubber or leather soles are renewable so long as cattle and rubber trees still grow. Plastic shoes of varying kinds with plastic soles are not renewable as plastic is made from fossil fuel oil.
Polytetrafluoroethylene (PTFE), also known as Teflon, is the well-known plastic made of fluorine and carbon. It is popular for its non-stick properties and is commonly used in kitchenware and industrial applications.
depends on the material the bucket is made of
plastic can be made into simple machines, but no plastic itself isn't a simple machine.
Synthetic plastic is made from the non-renewable source petroleum. When we think of oil shortages we tend to focus on gasoline ignoring or perhaps being unaware of the many other products derived from oil refinement. See the link below for a simple explanation of how plastics are made:
Simple Explanation was created on 2009-04-06.
Plastic polymersÊcan be made from plants, oil, or even natural gas. It can be a synthetic plastic or a semi-synthetic as long as it is a moldable solid polymer.
It is more simple to made bottles from glass or plastic and also cheaper.
they're just normal plastic bags that can be reused. simple.
They're simple smoothbore devices... they can be made from various materials, whether metal or plastic. In the case of plastic, it's simply molded and then assembled. The firing pin is usually built into the hammer to keep it as simple a device as possible.
They're simple smoothbore devices... they can be made from various materials, whether metal or plastic. In the case of plastic, it's simply molded and then assembled. The firing pin is usually built into the hammer to keep it as simple a device as possible.
She said a simple explanation: Hamlet is insane.
There are many crafts that can be made with plastic bags. Some unique but simple crafts include plastic bag beanies, braided bag jump ropes, or plastic bag rabbits.
This is a pretty good video explanation of what is happening to our oceans. Just think.....every piece of plastic ever made is still out there. They breakdown into smaller and smaller pieces but they are still plastic. follow link for video http://www.crypticmoth.com/Alphabet_Soup.wmv
More explanation needed.