tool mark

tool mark

[′tül ‚märk]
(geology)
Any of the wide variety of current marks, such as groove marks, prod marks, and skip marks, produced by the continuous contact or intermittent impact of solid, current-borne objects against a muddy bottom.
References in periodicals archive ?
About Mark Tool Mark Tool was founded in 1954 with a current product line consisting of SPLASHTRONA, Bio-ShieldA, and ThermoTron 350A.
Tenders are invited for requirement for a firearm & tool mark comparison light microscope with high definition video camera system.
The Association of Firearm and Tool Mark Examiners--49th Annual Meeting
Lamagna also noted that the Association of Firearm and Tool Mark Examiners, had "no mathematical standards" for visual comparison.
12) The first step in firearms and tool mark identification is determining the class characteristics of each.
Further examination of the brake system revealed a tool mark on the master cylinder housing shown in Figure 4B.
Most notable is the section's ability to match explosively formed projectile cones and liners through tool mark analysis and to link several sniper cases in which coalition members were killed.
The Association of Firearms and Tool Mark Examiners (AFTE) defines a physical match (fracture match) as "the examination of two or more objects either through physical, optical or photographic means which permits one to conclude whether the objects were either one entity or were held or bonded together in a unique arrangement" (AFTE 1994).
He has been a trial counsel on numerous murder trials and on serious, significant cases at all levels of court, including cases involving DNA and complex forensic evidence such as hair and fibre, tool mark identification, serology, toxicology, chemistry, pathology, psychiatry and psychology.
The Dormer Silver Ring on each tool assures the tool mark remains easily identifiable for the life of the tool.
There isn't a tool mark or machining flaw to be seen, and the tough black nitride finish is smooth and even.
A firearms and tool mark examiner for the federal Bureau of Alcohol, Tobacco, Firearms and Explosives testified during the trial that a pair of bolt cutters seized by police during the search of Mr.