pit

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Pit

A specific area of the trading floor that is designed for the trading of commodities, individual futures, or option contracts.

Ring

A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.

pit

A location on a commodities exchange trading floor where the futures of a particular commodity are traded. Also called ring.
References in periodicals archive ?
The application of pit and fissure sealants (FS) is widely used for the prevention of dental caries.
A Two-year clinical evaluation of pit and fissure sealants placed with and without air abrasion pretreatment in teenagers.
The American Dental Association and the Surgeon General of the United States of America advocate the utilization of pit and fissure sealants as a primary preventive measure for dental caries (2,3), and the United States Department of Health and Human Services has established the goal that 50% of children (aged 8 and 14 years) have pit and fissure sealants on their permanent molars by the year 2010 (4).
In vitro sealing potential of a self-adhesive pit and fissure sealant.
15]Simonsen RJ: The clinical effectiveness of a colored pit and fissure sealant at 24 months.
Two-year retention and caries rate of Ultraseal XT and Fluoroshield light-cured pit and fissure sealant.
Caries reductions were achieved through water fluoridation, school-based fluorides, oral health and dietary education, and pit and fissure sealants.
Currently there are 24 states that allow application of pit and fissure sealants by dental assistants.
9) Based on evidence from their review, the task force recommended school-based or school-linked pit and fissure sealant delivery programs.
The term pit and fissure sealant (FS) describes a material introduced into occlusal pits and fissures of caries susceptible teeth, forming a micromechanically-bonded, protective layer denying access of a caries-producing bacteria from their source of nutrients [Simonsen, 2002].
Waggoner WF, Siegal M: Pit and fissure sealant application: Updating the technique.