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Important reserves of oil and gas, which are left to be discovered and produced, are mainly concentrated in challenging locations and under severe conditions such as high pressure (HP)/high temperature (HT). The presence of aggressive environments including H₂S, CO₂ and chlorides plus HP/HT causes a series of corrosion problems, which cost the oil industry billions of dollars a year. Thus, there is an increasing challenge for tubes (i.e. oil country tubular goods, for short, OCTG) used in producing oil and gas. The purpose of this study is to summarize different kinds of corrosion problems and their mitigation, to more efficiently protect OCTG from corrosion.

To effectively select proper mitigation methods, the mechanism of corrosion must be understood, which can be classified into four categories: sweet corrosion, sour corrosion, galvanic corrosion and microbiologically induced corrosion. Also, the effects of environmental and material factors on the corrosion rate are presented. Subsequently, current technology of mitigating these corrosion problems has been discussed, including the development of materials, application of chemical inhibitors and application of protective layers.

It is stressed that limits exist for each individual mitigation method; therefore, a careful balance between economic life of OCTG and safety in operation is required.

The main purpose of this essay is to give a brief review and detailed introduction and analysis about those technologies.

Introduction: The word consists of different phonemes, which are interconnected to form a meaningful word, since phonemes as a single phoneme have no meaning, but their union forms the meaning of the word.

Purpose: Since the phonemes in the Albanian language, both vowels and consonants, have contradictions with each other, manage to bring words that have the same etymology but can change during writing. For example, in Gheg dialect – baj; hanë, while in Tosk dialect – bëj; hënë, etc. Therefore, the aim of this chapter is to highlight the characteristics of the phonemes of the Albanian language, accordingly the use of phonetic and dialectal elements in the Balkans, before and at present, since these may have implications for economic and industrial strategies.

Need for the study: The Albanian language has a rich vocabulary with standard speech, but its dialects have more words than standard speech. Each dialectal change has required study to see the cause of the change in these phonemes, vowels and consonants.

Methodology: The chapter is focussed on the descriptive method of research. Therefore, the comparison of research approaches has been considered. A quantitative deductive method has been applied for data analyses.

Findings: The results reveal that some of the phonemes undergo changes over time spam. The changes occur in the two dialects of Albania, Gheg and Tosk.

Four Albanian vowels, the phonemes /a/, /e/, /i/ and /u/, come directly from vowels inherited from the Indo-European period; the vowel /o/ is formed by the evolution of long vowels; while the vowels /y/ and /ë/ were found from other vowels in the internal developments of the Albanian language. Whereas nasal vowels were also formed later as internal developments of the language.

Practical implications: The study is important for language researchers and affects the appearance of elements from the field of dialectology and phonetics.

This study aims to focus on understanding the prison environment, inmates’ behavior and perceptions of the prison environment, analyzing the degree of awareness, rehabilitation and the programs that apply to prisons in both countries. It is assumed that the data that emerge from this research will contribute to a better understanding of the prisoner’s world of their perception about the prison environment in Kosovo and Finland. The study focused on inmates’ perception about the prison environment and their attitudes toward their sentences.

Qualitative study through in-depth interviews.

The results of this study indicated that inmates in Kosovo perceived the prison environment in a very negative light. The main reasons for this were the dissatisfaction with their status of being inmates and also lack of an appropriate classification of inmates. However, even though inmates in Finland perceived prison environment in a positive light, they still think that more educative programs are needed.

The results of this study indicated that Kosovo Correctional Service should implement more rehabilitative programs and improve its classification system. Criminal Sanction Agency in Finland as per results should increase efforts for implementation of new programs and aftercare action plans.

To the best of the author’s knowledge, it is the first research on inmates in two countries Kosovo and Finland, and this added new knowledge to the existing information about the prison environment in Kosovo and Finland. The results of this research gave an idea to respective institutions to add new rehabilitative and aftercare programs.