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    HYDROFOIL WING MANUFACTURING TECHNOLOGY

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    Tema završnog rada je primjena kompozitnih materijala za izradu Hydrofoil krila koja služe za upravljanje i kretanje surf daske po vodenoj površini. Krila su sastavljena od dvije vrste materijala karbonski i ugljična vlakana te od karbonskih i staklenih vlakana koja se međusobno razlikuju po masi, načinu primjene i nanošenja. Krila kao matricu koriste smolu, a ispuna je pjena dobivena miješanjem komponenti Typ II i HRT. U radu će biti opisani kompoziti, tehnike laminacije, priprema kalupa za laminaciju Hydrofoil krila kao i sama laminacija i daljnja obrada krila nakon vađenja iz kalupa.he topic of the final thesis is the application of composite materials for the production of Hydrofoil wings that are used to control and move a surfboard on the water surface. The wings are made of two types of materials: carbon and UD fibers, and carbon and glass fibers, which differ from each other in weight, method of application and application. The wings use resin as a matrix, and the filling is foam obtained by mixing Typ II and HRT components. The paper will describe composites, lamination techniques, mold preparation for lamination of Hydrofoil wings, as well as the lamination itself and further processing of the wings after removal from the mold

    TOURIST VALORISATION OF THE CULTURAL HERITAGE OF THE CITY OF PULA

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    Tema ovog rada odnosi se na turističko vrednovanje kulturne baštine grada Pule. U radu se analiziraju elementi turističke valorizacije kulturne baštine s osvrtom na promatrani prostor i njegovu specifičnost. Pula, kao jedan od najznačajnijih i najstarijih gradova na jadranskoj obali, obiluje kulturno-povijesnim spomenicima i atrakcijama koje predstavljaju ključne resurse za razvoj kulturnog turizma. U radu analizirani su neki od značajnijih primjera kulturno-turističkih atrakcija grada Pule. Naglašena je važnost održivog turizma i očuvanja kulturne baštine kao ključnog čimbenika za dugoročan razvoj destinacije te su razmatrane različite mogućnosti upravljanja kulturnom baštinom s ciljem privlačenja većeg broja posjetitelja.The topic of this final paper is the valorisation of the cultural heritage of Pula, a city in Croatia. The paper analyzes the elements of tourist valorization of cultural heritage with reference to the observed space and its specific characteristics. Pula, as one of the most significant and oldest cities on the Adriatic coast is rich in cultural and historical monuments and attractions that represent key resources for the development of cultural tourism. The paper analyzes some of the most important examples of cultural-tourism attractions in the city of Pula. Emphasis is placed on the importance of sustainable tourism and the preservation of cultural heritage as a key factor for the long-term development of the destination, and various strategies for managing cultural heritage are considered with the aim of attracting a larger number of visitors

    FIRE AND TECHNOLOGICAL EXPLOSION RISK ASSESSMENTS FOR BUILDINGS, CONSTRUCTION PARTS AND OTHER REAL ESTATE AND THE PREMISES OF „ZVIJEZDA D.O.O. PLUS“

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    Ovaj diplomski rad fokusira se na procjenu ugroženosti od požara i tehnološke eksplozije za građevine, građevinske dijelove i druge nekretnine te prostor Zvijezda d.o.o. plus. U radu se koristi analitički pristup koji obuhvaća pregled literature, studija slučaja i primjenu relevantnih propisa i standarda vezanih uz sigurnost od požara i eksplozija. Prikupljena su relevantna istraživanja i podaci o tipičnim opasnostima koje se mogu pojaviti u industrijskim građevinama poput tvornica, skladišta i sličnih objekata. Analizom dobivenih podataka, identificirane su ključne točke rizika te su predložene konkretne mjere za prevenciju i zaštitu od požara i tehnološke eksplozije. Preporučuje se implementacija sustava nadzora, sustava detekcije požara i eksplozija te edukacija zaposlenika o pravilnom postupanju u slučaju opasnosti. Cilj istraživanja je identificirati potencijalne opasnosti od požara i eksplozija te izraditi adekvatne strategije zaštite i prevencije kako bi se smanjio rizik od ovih nepoželjnih događaja. Kroz ovaj rad, naglašava se važnost kontinuirane procjene ugroženosti od požara i eksplozija te redovite revizije i ažuriranja sigurnosnih mjera kako bi se osigurala sigurnost objekata i ljudi koji u njima borave. Ovo istraživanje pruža temelje za daljnji razvoj i poboljšanje sigurnosnih sustava u Zvijezda d.o.o. plus s ciljem minimiziranja rizika i osiguranja kontinuiranog poslovanja.This graduate thesis focuses on the assessment of the risk of fire and technological explosion for buildings, construction parts and other real estate and premises of Zvijezda d.o.o. plus. Relevant research and data on typical hazards that can occur in industrial buildings such as factories, warehouses and similar facilities have been collected. By analyzing the obtained data, key risk points were identified and concrete measures were proposed for the prevention and protection of fires and technological explosions. It is recommended to implement a surveillance system, a fire and explosion detection system, and educate employees on proper handling in the event of an emergency. The aim of the research is to identify the potential dangers of fire and explosions and to create adequate protection and prevention strategies in order to reduce the risk of these undesirable events. Through this work, the importance of continuous fire and explosion risk assessment and regular review and updating of safety measures is emphasized in order to ensure the safety of buildings and the people who live in them. This research provides the basis for further development and improvement of security systems at Zvijezda d.o.o. plus with the aim of minimizing risks and ensuring continuous business

    SAFETY MEASURES AT ROCK CONCERTS

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    Ovaj rad analizira sigurnosne izazove i mjere zaštite na rock koncertima, s naglaskom na suvremene prijetnje i rastuću posjećenost ovih događaja. Prikazan je razvoj glazbenih priredbi kroz povijest te značajni koncerti i izvođači koji su oblikovali praksu masovnih okupljanja. Detaljno su obrađeni zakonski okviri za organizaciju javnih okupljanja u Republici Hrvatskoj, uz osvrt na međunarodne sigurnosne standarde. Posebna pažnja posvećena je analizama sigurnosnih incidenata na rock koncertima, uključujući slučajeve koncerata Bon Jovia u Maksimiru i Eda Sheerana na Hipodromu u Zagrebu. U radu su identificirani složeni rizici koji uključuju fizičke prijetnje poput stampeda i sukoba, kao i suvremene prijetnje poput terorizma, bioterorizma, hibridnih napada i cyber napada. Također su razmotreni psihološki i zdravstveni rizici, uključujući zloupotrebu komunikacijskih tehnologija, utjecaje buke i svjetlosnih efekata, te porast govora mržnje i ekstremizma na internetu. Na temelju analize, rad predlaže konkretne mjere za unapređenje sigurnosnih protokola, s naglaskom na prevenciju, edukaciju osoblja, korištenje tehnoloških rješenja te razvoj spremnosti za krizne situacije. Cilj je osigurati visoku razinu zaštite svih sudionika kako bi se omogućilo sigurno i neometano održavanje glazbenih događaja, koji su važan dio kulturnog života današnjice.This paper analyzes security challenges and protection measures at rock concerts, with an emphasis on contemporary threats and the growing number of attendees at such events. It presents the historical development of music events, highlighting key concerts and performers who have shaped the practice of mass gatherings. The legal framework for organizing public events in the Republic of Croatia is examined in detail, alongside international security standards. Special attention is given to the analysis of security incidents at rock concerts, including the cases of Bon Jovi at Maksimir Stadium and Ed Sheeran at the Zagreb Hippodrome. The paper identifies complex risks, including physical threats such as stampedes and crowd conflicts, as well as modern threats like terrorism, bioterrorism, hybrid attacks, and cyberattacks. Psychological and health-related risks are also discussed, including the misuse of communication technologies, the effects of noise and lighting, and the increase in online hate speech and extremism. Based on this analysis, the paper proposes specific measures to improve security protocols, focusing on prevention, staff training, the use of technological solutions, and preparedness for crisis situations. The goal is to ensure a high level of protection for all participants, enabling the safe and uninterrupted organization of music events, which are an important part of contemporary cultural life

    DETERMINATION OF PESTICIDES IN HOPS USING HIGH PERFORMANCE LIQUID CROMATOGRAPH WITH MASS SPECTROMETRY

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    Detekcija pesticida u hmelju u ovoj metodi temelji se na QuChERS postupku pripreme uzorka s disperzivnim SPE čišćenjem uzorka. Iako ovo nije prvo istraživanje u kojem se koriste te tehnike, još uvijek postoje prilike za usavršavanje i optimiziranje kako bi se dobili što kvalitetniji rezultati uz što veću ekonomsku učinkovitost. Stoga je u ovom radu težište na analizi točaka validacije metode nakon izmjene određenih parametara u svrhu tih ciljeva. Te točke validacije odnose se na linearnost, preciznost (ponovljivost, obnovljivost), točnost te granicu otkrivanja i određivanja. Analiza je provedena na deset vrsta pesticida koji su u uporabi pri uzgoju hmelja. Vrlo dobri rezultati postignuti su u području linearnosti, ponovljivosti te granice otkrivanja i određivanja. U području obnovljivosti ima mjesta za napredak kod nekih uzoraka, a rezultati točnosti ukazuju na potrebu revizije načina i ponovljeno ispitivanje, a također i podešavanja parametara samog uređaja.The detection of pesticides in hops in this method is based on the QuChERS sample preparation procedure with dispersive SPE sample cleaning. Although this is not the first research in which these techniques are used, there are still opportunities for improvement and optimization in order to obtain the best possible results with the highest possible economic efficiency. Therefore, in this paper, the focus is on the analysis of method validation points after changing certain parameters for the purpose of these goals. These validation points relate to linearity, precision (repeatability, reproducibility), accuracy, and the limit of detection and determination. The analysis was carried out on ten types of pesticides that are used in hop cultivation. Very good results were achieved in the areas of linearity, repeatability and the limit of detection and determination. In the area of reproducibility, there is room for improvement in some samples, and the accuracy results indicate the need to revise the method and repeat testing, as well as adjust the parameters of the device itself

    ORGANIZATIONAL STRUCTURE AND BUSINESS PROCESSES IN THE HOTEL INDUSTRY-A CASE STUDY OF HOTEL EUROPA IN KARLOVAC

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    U ovom radu analizirana je organizacija poslovanja hotela Europa u Karlovcu s posebnim naglaskom na unutarnju organizacijsku strukturu i poslovne procese pojedinih hotelskih odjela. Problem koji se istražuje odnosi se na učinkovitost primjene teorijskih modela organizacije u praksi malog hotela. Korištenjem stručne literature i metodom studije slučaja, prikazane su ključne organizacijske jedinice te pomoćni i dodatni sadržaji s ciljem prepoznavanja njihove uloge u cjelokupnom poslovanju. U radu su identificirani glavni čimbenici koji utječu na oblikovanje organizacijske strukture, kao i izazovi s kojima se hotel suočava u svakodnevnom radu. Dobiveni rezultati ukazuju na važnost prilagodbe organizacijske strukture veličini, funkciji i specifičnostima hotela kako bi se osigurala optimalna usluga i konkurentnost na tržištu.This paper analyses the business organisation of Hotel Europa in Karlovac, with a special focus on the internal organisational structure and business processes of individual hotel departments. The main focus is on the effectiveness of applying theoretical organisational models in the context of a small hotel. Using professional literature and the case study method, the key organisational units, along with auxiliary and additional services, are presented to highlight their role in overall business operations. The paper identifies the main factors influencing the design of the organisational structure, as well as the challenges the hotel faces in day-to-day operations. The results emphasise the importance of adapting the organisational structure to the hotel’s size, function, and specific characteristics in order to ensure optimal service and competitiveness in the market

    BIOMASS FURNACE AUTOMATIC ERROR NOTIFIER

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    Tema ovog završnog rada je opis sustava za automatsko dojavljivanje grešaka u kotlovnici na drvnu masu koristeći PLC i GSM modul. Sustav prati rad kotlovnice, a u slučaju kvara, PLC aktivira GSM modul koji šalje SMS s detaljima greške odgovornoj osobi. Time se osigurava brza reakcija i povećava sigurnost rada. Rad uključuje teorijski pregled tehnologiju te analizu učinkovitosti sustava u stvarnim uvjetima, s prijedlozima za daljnje unaprjeđenjeThe topic of this final thesis is the description of a system for automatic error reporting in a biomass boiler room using a PLC and GSM module. The system monitors the operation of the boiler room, and in the event of a malfunction, the PLC activates the GSM module, which sends an SMS with error details to the responsible person. This ensures a quick response and increases operational safety. The thesis includes a theoretical overview of the technology and an analysis of the system's efficiency in real-world conditions, along with suggestions for further improvement

    MEASURING MODEL OF THERMAL INSULATION MATERIALS

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    U ovom radu provodila se analiza toplinskih svojstava građevinskih materijala za toplinsku izolaciju. Temperaturna mjerenja izolacijskih materijala su obavljena kontrolerom ventilatora te izrađenom maketom. Rad je podijeljen na uvodni, teorijski te praktični dio u kojima se govori o toplinskoj izolaciji, toplinskim svojstvima. U uvodnom dijelu govori se o važnosti toplinske izolacije. Teorijski dio u kojem je objašnjeno što je to toplinska izolacija, toplinska svojstva izolacijskih materijala, sustavi za toplinsku izolaciju objekata. U praktičnom dijelu se opisuju postupci izrade makete i njezini elementi te analiza eksperimentalnih pokusa.In this work, an analysis of the thermal properties of building materials for thermal insulation was carried out. Temperature measurements of insulating materials were made with a fan controller and a made model. The work is divided into an introductory, theoretical and practical part in wich thermal insulation and thermal properties are discussed. The introductory part discusses the importance of thermal insulation. The theoretical part in wich it is explained what thermal insulation is, the thermal properties of insulating materials and systems for thermal insulation of buildings. The practical part describes the procedures for making the model and its elements, as well as the analysis of experimental experiments

    THE PERSPECTIVE OF THE DEVELOPMENT OF EQUESTRIAN TOURISM IN OSIJEK-BARANJA COUNTY

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    Konjička industrija u Hrvatskoj obuhvaća uzgoj konja i konjički turizam, koji igra ključnu ulogu u sociološkoj, demografskoj i ekonomskoj stabilnosti ruralnih područja. Glavni problemi sektora uključuju nedostatak infrastrukture i edukacije, dok se razvoj potiče kroz povećano zanimanje za aktivnosti s konjima i bogate prirodne resurse. Osječko-baranjska županija, s ergelama Đakovo i Lipik, primjer je značajnog doprinosa lokalnom turizmu kroz razne aktivnosti i kulturne manifestacije. Iako sektor nudi brojne mogućnosti, postoji potreba za održivim razvojem koji uključuje tehnologije poput senzora za praćenje zdravlja konja i Blockchain za upravljanje podacima, te promicanje očuvanja okoliša i lokalne kulture. Daljnji rast konjičkog turizma u Hrvatskoj ovisi o kontinuiranom ulaganju u infrastrukturu i promociji kulturnih događanja, uz održiv i odgovoran pristup koji minimizira negativne ekološke i društvene utjecaje.The equestrian industry in Croatia encompasses horse breeding and equestrian tourism, which plays a key role in the sociological, demographic, and economic stability of rural areas. The main issues facing the sector include a lack of infrastructure and education, while development is driven by increased interest in horse-related activities and rich natural resources. Osijek-Baranja County, with the Đakovo and Lipik studs, exemplifies the significant contribution to local tourism through various activities and cultural events. Although the sector offers numerous opportunities, there is a need for sustainable development that incorporates technologies such as sensors for monitoring horse health and Blockchain for data management, as well as promoting environmental protection and local culture. Further growth of equestrian tourism in Croatia depends on continuous investment in infrastructure and the promotion of cultural events, with a sustainable and responsible approach that minimizes negative environmental and social impacts

    CIVIL PROTECTION IN GREAT BRITAIN

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    Završnim radom nastojalo se istražiti povijest, organizacijski ustroj, zakonsku regulativu i djelovanje civilne zaštite u Velikoj Britaniji sa sažetim osvrtom na organizacijski ustroj civilne zaštite u Republici Hrvatskoj, ali i predstaviti povijesni pregled njezinog razvoja, zakonsku regulativu, organizacijski ustroj i aktivnosti te terminologiju s posebnim osvrtom na uporabu engleskog jezika struke iz područja sigurnosti i zaštite te korištenjem literature i izvora na istom. Suvremena civilna zaštite Velike Britanije temelji se na nekoliko važnih zakonskih odredbi u razdoblju od 2004. do 2015. godine sukladno rastućim rizicima i prijetnjama prvenstveno u okvirima rastućeg međunarodnog terorizma i mogućih katastrofa uzrokovanim klimatskim promjenama. Cilj završnog rada jest bio ukazati na razumijevanje važnosti civilne zaštite u održavanju sigurnosti i stabilnosti društva, zaštiti građana Velike Britanije i očuvanju materijalne i nematerijalne imovine. Rezultati mogu poslužiti kao temelj budućih istraživanja, a pogotovo s ciljem detaljnije analize i usporedbe civilne zaštite Velike Britanije u odnosu na druge zemlje.The final paper attempted to investigate the history, organizational structure, legal regulations and operation of civil protection in Great Britain with a brief overview of the organizational structure of civil protection in the Republic of Croatia, and to present a historical overview of its development, legislation, organisation, activities and terminology by using professional English within the field of safety and protection as well as references and literature. Modern civil protection of Great Britain is based on several important legal provisions in the period from 2004 to 2015 in accordance with growing risks and threats, primarily within the framework of growing international terrorism and possible disasters caused by climate change. The goal of final paper is to show the importance of civil protection in maintaining the safety and stability of society, protecting the citizens of Great Britain and preserving tangible and intangible IV assets. The results can serve as a basis for future research, especially with the aim of a more detailed analysis and comparison of civil protection in Great Britain in relation to other countries

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