Hearing aids are small, wearable electronic devices that enable a person with hearing imparity to hear sounds better and understand speech more clearly, thus improving communication ability. Hearing aids come in all shapes and sizes, categorized as hearing devices and hearing implants.

An Electronic Lab Notebook (ELN) is a digital version of the traditional paper lab notebook used by scientists and researchers to record experimental procedures, data, and observations. It serves as a collaborative platform, allowing multiple users to access, share, and collaborate on research findings in real time. ELNs find applications across various scientific disciplines, including chemistry, biology, physics, and engineering. They streamline data organization, facilitate efficient collaboration, and enhance data integrity by providing version control and electronic signatures. ELNs also support compliance with regulatory standards and reduce the risk of data loss or damage associated with paper notebooks.

A form of sports underwear that a person wears while physical exercise is sports underwear. It is intended to meet the demands of persons who participate in various activities as well as those who are just active and wish to keep comfortable. The purpose is to keep the user dry and avoid chafing, which can cause skin abrasions or pain.