Two reasons: to save space and to strengthen it (to limit settlement and to prevent shear failure).
Squeeze * Edit - Compacting
No, compacting Outlook emails does not harm them. Compacting emails simply reduces the size of the Outlook data file, which can help improve performance and free up disk space. Compacting emails does not delete any emails, but it does remove any deleted items from the data file.
Sedimentary rock results from compacting and cementing particles together.
Sandstone is most likely the result of compacting and cementing particles together.
the stonecutters
Sandstone rocks are most likely the result of compacting and cementing particles together.
Self Compacting Concrete also known as SCC, is a concrete which compacts itself when placed without the help of manual compaction.
Landfill is surrounded by land. Land is shaped so that it encompasses the areas to fill in garbage. This will prevent the garbage from drifting everywhere when dumped into the sea.
The main disadvantage of compacting concrete using a cement vibrator is the noise. The advantages of compacting concrete using a cement vibrator is to remove trapped air and excess water which then allows the concrete settle firmly.
A landfill photo is available in the links. If you key "landfill" in to Google and click images, you will be rewarded with a page of landfill photographs. The KKK is a landfill that takes only poor white trash.
Sanitary Landfill
it is where everything goes wrong