In order to promote traffic safety, and specifically in the prevention of accidents on the roads, modern standards and procedures require the construction, constant monitoring and updating the database of geospatial data of importance for the spatial and temporal distribution, an analysis of the traffic accidents causes and consequences and the creation of an appropriate response to the traffic risk arising from road’s factor as a geospatial entity. One of the possibilities for meeting the said requirements is the use of GPS technology. Constant monitoring and topographic inventory of changes in the domain of exploitation and technical roads features on the digital geotopographic materials in some of the GIS environment is one of the requirements, standards and procedures for the traffic risk management, but also for creation of a part of the national infrastructure of geospatial data on the principle of interoperability. This paper presents the characteristics of GPS device GeoExplorer® 2008, produced by U.S. Company Trimble, which integrates GPS receiver and a portable computer with the Windows Mobile operating system, and thus represents a functional, light, portable and durable device for field work, with the range of applications for geospatial data mapping and updating in a various and primarily in mobile GIS applications. GIS is a set of software tools, which enable the analysis of different types of data associated with geographic maps. Data on current road conditions and technical traffic control collected by mentioned device shall form the basis for filling in a database in dedicated, stationary GIS applications as a support system part for the traffic safety management.

As far as the surface soil mining is concerned at the surface coalmines, there are usually large quantities of the excavated material comparing to the quantities of mineral resources, which causes significant exploitation costs.The important fact here is the number of delays because of the frazzle of the cutting element (tooth) of the dredge shovel. The very fact proves that the previous approaches in solving this issue did not meet the basic efficiency requirements of the dredge exploitation. In this study, only some of the parameters that affect the cutting body strength have been discussed.