Recently, a dynamic increase in the number of polymer elements ending their life cycle has
been observed. There are three main ways of dealing with polymer waste: reuse in an …

This article presents the results of experimental research on the mechanical properties of
pine wood (Pinus L. Sp. Pl. 1000. 1753). In the course of the research process, stress-strain …

By 3D printing it is possible to create different structures with different fiber-laying directions.
These structures can be created depending on the type of 3D printer and its software. The …

Comminution processes are one of the most common processes for processing energy
materials, eg coal, biomass, and post-recycling elements. The hitherto unsolved problem is …

The work presents the problems of pellets production, and special attention is paid to the
issues of pellet machine construction. Nowadays, there are various different types of pellet …

The paper analyzes the interrelation of: motion, particle size of ground rice grains,
displacement, and grinding in a roller–plate mill. The purpose of the study was to analyze …

Modern drive units designed for driving non-road machines are characterized by liberal
regulations regarding the limits of toxic compounds emission in exhaust gases. These …

Many researchers in the developed countries have been intensively seeking effective
methods of plastic recycling over the past years. Those techniques are necessary to protect …

The publication presents selected results of an attempt to link material and environmental
valuation with the design of technical objects in accordance with the requirements of the …

This paper deals with the data processing in the form of a cloud of points scanned using a
handheld 3D laser scanner. The aim of this paper is to use this data to create a …