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Anything that does not allow permeation of water or other liquids. So think dense, thick, solid, smooth, or sealed surfaces
Examples:
metals:
stainless steel
steel
aluminum
chrome
vinyl
finished wood
laminate countertops
certain types of tiles or tiles that have been sealed to be nonporous (e.g. bathroom or kitchen tiles)
certain types of paper
glass
porcelain
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How many surfaces does a triangular prism have?
Four.
What kind of sponge is best for cleaning?
There are many types of sponges you can use for cleaning. Examples of these are cellulose sponges, abrasive sponges, natural sponges, and dry sponges. The best one would depend on the cleaning surface. It is best to use soft sponges such as the natural sponge to clean fragile surfaces. To clean rough surfaces an abrasive sponge would do the trick.
What are examples of lubricants?
A dry lubricant is a material that is able to reduce friction between two surfaces without the need for a liquid-based lubricant. Examples include graphite and molybdenum disulfide, the two most common dry lubricants, but hexagonal boron nitride and tungsten disulfide can also be used.
Why does some friction occur with seemingly smoth surfaces?
Some friction will occur with seemingly smooth surfaces because at a molecular level, nothing is smooth.
What are examples and non-examples for inflated?
The examples are tire ,ballon ,and beachball and the non-examples are shoe,chair,and bed
