The technology of single bore multiple anchor is well known and mainly used as a method of providing support for retaining walls of deep excavations in weak soils. Multiple fixed lengths in a single borehole is a major difference to conventional anchors. The purpose of it and the most important facts affecting bearing capacity are presented. Due to the reduction of progressive debonding higher bearing capacities can be achieved and the impact of soil consolidation is decreased. Unique properties of this technology potentially reduce construction costs and increase the reliability and safety of the structure. Single Bore Multiple Anchors in most cases are prestressed by synchronised hydraulic jacks to provide that every anchor unit transfers the same load. The purpose of this paper is to present the results of investigation and suitability tests, which took place at the site of Zlote Tarasy Shopping Centre in Warsaw. The carried out research reveals that prestressing of one fixed anchor causes a decrease in lock-off load of the second fixed anchor, regardless of the order of prestressing. Measured values presents range from 6% to 14%. Results indicate mutual influence between loads of fixed anchors from the separate prestressing.

The COVID-19 pandemic has significantly reduced the number of orthopedic surgeries world-wide. The main reason for this was an introduction of numerous restrictions in the field of mobility, which resulted in reduction of circumstances predisposing to injuries. This had a positive impact on the overall readiness of the health system to fight the pandemic, thanks to saving human and material resources that could be successfully allocated in order to fight a new, previously unknown threat. On the other hand, such aimed administration of the system was not indifferent in terms of care quality directed towards traumatized patients, often requiring immediate measures (risk of infection transmission). This study aims to evaluate in-hospital mortality in patients with COVID-19 operated on proximal femur fractures. An attempt was also made to determine predictors influencing mortality rate among patients operated over the analyzed period.

Balance, thermodynamic and mainly kinetic approaches using methods of process engineering enable to determine conditions under which iron technology can actually work in limiting technological states, at the lowest reachable fuel consumption (reducing factor) and the highest reachable productivity accordingly. Kinetic simulation can be also used for variant prognostic calculations. The paper deals with thermodynamics and kinetics of iron making process. It presents a kinetic model of iron oxide reduction in a low temperature area. In the experimental part it deals with testing of iron ore feedstock properties. The theoretical and practical limits determined by heat conditions, feedstock reducibility and kinetics of processes are calculated.

The article is devoted to the research of the motif of deception in the fairy‑tales of the Polish and Ukrainian writer S. Ostashevskyi. The work offers arguments for the topicality of the research as well as for the choice of the analysis methodology. It also emphasizes the significance of studying the author’s creative works with a view to revealing those connections between Ukrainian and Polish culture which indisputably prove their kinship. Four types of the deception motif have been distinguished based on the collections of fairy‑tales Half‑a‑Kopa Fairy‑Tales for the Little World and Half‑a‑Hundred Fairy‑Tales for Jolly People. These types are as follows: “a creature with superpowers deceives people by appearing in front of them in an anthropomorphous, intentionally inferior, everyday image”, “an infernal character takes people in without changing its image but promising material benefits and solutions to people’s life problems in exchange for their own souls or their children’s souls”, “a person (usually, a woman) deceives/tries to deceive an infernal character or some supreme forces in general”, and “a person deludes another person”. The comparison of this material with the corresponding folklore and literary heritage has defined the specificity of using and transforming the deception motif by S. Ostashevskyi: dependence on the expression of the religious idea, comical play such as appears in the 19th‑century burlesque and travesty art, and reflection on the harmonious combination of Ukrainian and Polish folklore traditions.