Homeland security is a department that is entrusted with protecting a nation from attacks and/or disasters within a country as well as is responsible for maintaining overall law and order. Its major motives are to ensure a safe and secure stay for the country's respective civilians and minimize the damage from attacks or turbulence that occurs. A country’s homeland security department consists of the following segments.

High-purity water refers to water that is treated with the highest level of purity for all the contaminant types such as dissolved and particulate matter; organic and inorganic compounds; volatile and non-volatile; hydrophilic and hydrophobic; and reactive, inert and dissolved gases. High-purity water and deionized treatment are not similar, as the former involves removal of organic particles and dissolved gases.

In this report, Technavio covers the present scenario and growth prospects of the global high-pressure oil and gas separator (HPOGS) market for 2017-2021. Also, the report discusses the major drivers influencing market growth and the challenges faced by vendors and the market as a whole. It also examines key emerging trends and their impact on current and future market scenarios.

This report covers the present scenario and the growth prospects of the global highperformance electric vehicle (HPEV) market for 2017-2021. The report includes the entire range of high-performance electric cars available in the market.To calculate the market's size, the report considers the unit sales of high-performance electric cars across all regions. The report also presents the vendor landscape and a corresponding detailed analysis of the top five vendors operating in the market. In addition, it discusses the major drivers that influence the growth of the market, outlines the challenges faced by vendors and the market at large, and identifies the key emerging trends in the market.

Duty-free retailers are those that are exempt from certain local and national taxes and duties because they sell goods to international travelers. However, taxes may be imposed on such goods once the buyer reaches their country of destination or when the value or quantity of those goods exceeds certain limits. Such retailers operate at international airports, border towns, seaports, train stations, and onboard aircraft and ships. These retailers offer products like perfumes, cosmetics, alcohol, cigarettes,chocolates, electronics, and accessories.The global duty-free retailing market is expected to grow at a CAGR of 8.56% over the forecast period. In terms of distribution channels, the market was driven by the airports segment in 2015, followed by border, downtown, and hotel shops; cruise lines, ferries,and seaports; and rail stations and others. It has been estimated that the airports segment will account for a 66.34% share of the global market by 2021. In terms of geography, APAC reported the highest sales of $29.63 billion in 2016 and will likely

grow at a CAGR of 10.13% by 2021.

The market dynamics and growth prospects of the global dry-type transformers market largely depend on the performance and health of the global distribution transformer sector as it adopts air insulation most widely worldwide.The distribution transformers market has a significant impact on the overall market dynamics of the dry-type transformers market.The requirement for expansion and renovation of

the existing T&D network is increasing globally,primarily affected by the demand created due to factors such as growing demand for electric power, especially in the developing regions, and the need to replace age-old T&D equipment (includes power and distribution transformers as the two most important equipment).The growing need for electric power is triggered by rising urban population in countries like China, India, Indonesia, Thailand, Vietnam, Russia, Ukraine, Brazil, Mexico, and African countries such as Nigeria and South Africa. The increased need for power comes from the residential sector as well as the commercial and industrial sectors.

In this report, Technavio covers the present scenario and growth prospects of the global drilling bits market in oil and gas for 2017-2021. Also, the report discusses the major drivers influencing market growth and the challenges faced by vendors and the market as a whole. It also examines key emerging trends and their impact on current and future market scenarios.One of the integral components of any market estimate and analysis pertains to the definition of the estimates and the exclusions. The following section of the report

enlists certain key estimates, which we have considered while arriving at the market trends and certain exclusions that have helped to demarcate the market contours.

The global door closer market covers the safety and security aspects of the residential,commercial, and industrial spaces. Door closers are offered by vendors, catering to both commercial and residential end-users.The global door closer market is projected to grow at a CAGR of 4.12% during the forecast period. Door closers are deployed for both domestic and commercial use.With the rise in security and safety concerns across regions, the demand for door closers is likely to increase. Another important reason for the growth of the market is that the vendors are offering automatic door closers with sophisticated technology,replacing the manual door closers.

The global domestic safety locker market will grow at a CAGR of 4.03% during the forecast period. The rising instance of thefts in the Americas, EMEA, and APAC drives the market. For instance, in the Americas, over 65% of all burglaries occur in residential buildings. An average of over 30,000 cases of burglary takes place every year. Globally, in 2014, the per capita burglary rate was the highest for countries in the Americas including Costa Rica, Peru, Ecuador, Uruguay, Paraguay, and Chile. In the US, states such as New Mexico, Arkansas, Louisiana, Alabama, and Mississippi witness the highest rate of burglaries for a population of 1,000 people.

The document camera is gaining importance in the education technology market.With its ability to assist visual learning in small and large learning atmospheres,these devices will become an integral element of the digital infrastructure of traditional and virtual classrooms. As new teaching methods emerge and faculty will start using interactive digital learning methods, document cameras will have a strong role in the effective delivery of content.Many traditional vendors like Lumens and Samsung Presenter that have strong positions in other related markets have entered the global document camera for smart classroom market. With a continuous focus on product innovations by vendors to reduce the price for the purpose of mass adoption in education,document cameras will, albeit at a slower pace, gain market presence in developed and developing economies.