There Are Distinct Differences Between Compression Marks and Scraping Marks

There are distinct differences between compression marks and scraping marks. The ________________ marks are those left when an instrument is in some way pushed or forced into a material capable of picking up an impression of the tool. Examples include shoe impressions, tire impressions, bite mark impressions, fabric impressions, the mark left by a hammer hitting a piece of wood, the mark of a screwdriver used to jimmy a window, breech mark impressions on shell casings, typewriter marks, etc.

A) Compression
B) Scraping