Objective This study aims to determine how electronic cigarette (e-cigarette) use contributes the spread of human papillomavirus (HPV) and assess potential cellular proliferative activity it may produce. Methodology In Madinah, a case-control was conducted between October 2022 March 2023. Two oral cytologic smear samples were collected from each 500 volunteers; 250 consumers cigarettes non-smok...

It has been estimated that consumers waste $500 million a year on medical quackery and another $500 million annually on some "health foods" which have no beneficial effect. Unnecessary deaths, injuries and financial loss can be expected to continue unti1 the law requires adequate testing for safety and efficacy of products and devices before they are made available to consumers. (President John...

In this paper an approach to design information systems for traceability is proposed. The paper applies gozinto graph modelling for traceability of the goods flow. A gozinto graph represents a graphical listing of raw materials, parts, intermediates and subassemblies, which a process transforms into an end product, through a sequence of operations. Next, the graphical listing has been translate...

The aim of this study was to assess to which extent the modernisation of an anode plant had reduced occupational chemical health hazards for jobs with the highest potential of exposure. Periodical measurements of dust and gases were performed at the same workplaces using the same methods, before and after modernisation. These measurements were compared with the recommended standards. Before mod...

Design for Manufacture and Assembly (DFMA) technique has been utilized extensively in industry field these days. This paper is a detailed review which will discuss the development history of DFMA, compare some other “DFMA-like” theories, and good stories about the successful implementations of DFMA in real-word product design. 1. DFMA and its development history 1.1 Traditional design paradigm ...

Introduction: Electronic cigarettes are battery-powered devices that allow users to inhale vapor produced by heating a liquid (e-liquid) containing nicotine and other substances. The first such were introduced in China 2003, subsequently approved for use the European Union 2006 United States 2007. number of e-cigarette is constantly growing, with largest increases observed 18-24 age group. Vari...

Introduction: Tobacco smoke is involved in the pathogenesis of several diseases in different body systems. Saliva is the first body fluid that confront inhaled cigarette smoke which is injurious to the oral cavity and is associated with several oral diseases and cancer. The aim of our study was to evaluate the influence of smoking on the activity of alpha-amylase in the saliva of healthy smoker...

ion Problems in Software Manufacture

This paper discusses the use of excimer lasers in the manufacture of microelectromechanical devices and systems. With emphasis on two application areas: laser micromachining of polymer masters for replication in metal by electroplating (Laser-LIGA), and laser-assisted manipulation of microparts for hybrid assembly. As a master fabrication method, laser micromachining offers advantages over conv...

We consider the likely revenue effect of an increase in the cigarette excise tax rate in West Virginia. We begin with a consideration of the existing literature on how US state cigarette excise tax policy affects cigarette consumption and cross-border cigarette shopping. Second, we examine 80 cigarette excise tax increases that have occurred in the US since 2000. There we find a wide range of r...