The use of headphones can be traced back to the 1880s when they were mainly used for listening to the electric and audio signals. As amplifiers and audio drivers were not invented at that time, their usage to stream music and other digital content was not possible. Rapid advancements in technology, manufacturing, transmission, and portable consumer electronics goods have laid the foundation for innovations in headphones, thereby leading to a wide personal and commercial usage.

The use of headphones can be traced back to the 1880s when they were mainly used for listening to the electric and audio signals. As amplifiers and audio drivers were not invented at that time, their usage to stream music and other digital content was not possible. Rapid advancements in technology, manufacturing, transmission, and portable consumer electronics goods have laid the foundation for innovations in headphones, thereby leading to a wide personal and commercial usage.

Egypt is among the top-five largest medical device markets in the MENA region.  Per capita medical device spending is below the regional average.  The medical device market will record a double-digit 2018-2023 CAGR in US dollar terms.  Egypt has a large diagnostic imaging segment considering its overall market size.  The medical device market is largely reliant on imports.  Local production is limited to basic consumables and other medical devices.  There is a growing presence of medical device multinationals through joint ventures with local partners or through sales offices.  There is a growing trend towards privatisation due to a declining public healthcare sector.

The global automotive keyless entry system market is evolving along with the changing dynamics of the automotive industry. In terms of shipments, the global automotive keyless entry system market is expected to grow at a CAGR of 7.85% during 2018−2024. Safety and security have always been the centerpiece of automotive innovation. Modern vehicles are embedded with complex electronic systems that enhance their capability to detect and act on situations that can be fatal/injurious to the passenger and pedestrians. Access to the vehicle and authorization to start and drive it are currently the key areas of interest for OEMs and aftermarket players. This is due to the increasing incidents of vehicle thefts worldwide.

2019 年机械工业全行业将坚持稳中求进工作总基调，以实施“十三五”行业发展总体任务、实现高质量发展为目标，提振信心，激发企业主体的活力，加大补短板的力度，大力推动高质量发展。2019 年 1～2 月，机械行业市场需求乏力，企业累计订货额同比下降 10%。1～3 月，主要产品生产有所恢复；机械行业出口同比增速开始回升，进口增速继续下滑；固定资产投资增速出现分化；受汽车行业营业收入和利润大幅下滑影响，机械行业营业收入和利润总额均有所下降。

According to the International Classification of Diseases - 11 (2018), vision impairment is classified into four broad categories: mild vision impairment, moderate vision impairment, severe vision impairment, and blindness.

Mammography refers to a standard diagnostic and screening technique to screen breast tissues for the presence of malignant tumor. The process involves usage of low-energy Xrays for early detection of breast cancer. On the basis of technology used, the mammography market can mainly be classified as film-screen or digital one.

The global automotive switch market was valued at USD 23.76 billion in 2017, and is expected to reach USD 38.96 billion by 2023, registering a CAGR of 8.59%, during the forecast period (2018-2026).

The demand for minimally invasive procedures/surgeries (MIS) is on a rise. These procedures result in lesser trauma to the patients and quicker recovery than invasive procedures. The research results published by manufacturers (Ethicon Endo-Surgery, Inc.) suggest that minimally invasive surgeries are rapidly replacing open/invasive surgeries, owing to the following factors

Europe region holds the largest market share in the plant genotyping equipment market owing to the increasing number of initiatives taken by the European Union (EU). The ever-rising demand for food and the need for genetically modified high-quality crops along with the presence of major plant biotech solution providers are expected to boost the demand for plant genotyping equipment in the European region. Europe has always been the dominant force in the food and agriculture industry with presence of top agricultural exporting countries such as Germany, Netherlands, and France.