The difference is the outside diameter, it is used for fitting the liner in the block as they are dry liners.
See this link: http://www.backyardcitypools.com/vinyl-pool-liners/Mil-Vs-Gauge.htm
No.
The peugout 406 deos not have liners, the bores are cut directly into the cylinder block
The "Iron Duke" 1.9l I4 in the Vegas had an iron block and aluminum heads. Iron blocks, generally, in passenger cars do not use a cylinder liner.
There are three different types of chimney liners. They are clay chimney liners, concrete chimney liners and metal chimney liners
Husky liners are more reliable and durable than standard liners. Also, Husky liners come with a Lifetime Warranty against cracking, which is much better than manufacturers of regular liners.
Plastic vents
In a cast-iron or aluminum block, that material is not hard enough to withstand the wear of piston/piston ring movement. It is a violent explosion that occurs when the spark plugs ignites the fuel/air and the piston moves millions (billions?) of times during the life span of an engine. So the cylinder walls are lined with hardened steel, sometimes stainless steel to tolerate it.
Liners for pools usually have a warranty up to 20 years. Fiberglass usually offers a 10 year warranty. Judging from the warranty liners last two times longer.
Clear water will "cavitate" (allow bubbles) causing pitting and eventually resulting in pin holes in cylinder liners.
Husky Liners prices range between 45 and 105 dollars. They are a great way to keep car carpets clean, especially in the winter or during rainy seasons.
Kintetsu Liners was created in 1929.