A leisure boat is typically used for entertainment and tourism. It can be powered by a motor or non-motorized and includes various types, such as sailboats, cabin cruisers, towboats, jet boats, watercraft, and runabouts, among others. These boats are popularly purchased and used for activities such as sailing, boating, fishing, or campaigning. Due to the ability to maintain social distance while enjoying oneself, boating has become a favored leisure activity in many regions and countries, leading to a surge in boat purchases.

Cannabis is a flowering plant of different species, such as cannabis sativa, cannabis indica, and cannabis ruderalis. There are a variety of cannabis plants, of which marijuana and hemp are the two most prominent ones. Cannabis contains two cannabinoids, namely, THC and CBD.

LED lighting is based on fixed light source installations, which deliver a practical or aesthetic lighting effect. The general lighting industry is moving toward energy-efficient lighting, leading to technological innovations in the market. LED lighting solutions provide advantages such as low voltage and current requirements, high reliability, low radiated heat, negligible emission of ultraviolet (UV) rays, and a longer lifespan than conventional lighting sources. As a result, the adoption and penetration of LEDs in the general lighting industry are rising.

Leather tanning machinery refers to a type of industrial equipment that is used in the tanning of animal hides and skins into leather. The importance of leather tanning machinery depends on its ability to effectively and efficiently convert raw animal hides into usable leather products.

Laser printers use the principle of electrophotography or electrostatic charges for printing. Laser light is used for inducing charges to facilitate printing. The laser light induces charges on the printer drum, which is opposite to the charge of toner inks in the printer. With opposite charge polarities, where the drum is positively charged, and the toner is negatively charged, the ink in the toner gets attracted to the drum. The ink stuck on the drum is in accordance with the image or data provided to the printer. The negatively charged toner ink, which sticks in the format of the image as provided, gets attracted to the positively charged paper. This creates a replica of the original image provided to the printer.

A K-12 makerspace is a place in K-12 schools that allow students to create, tinker, invent, discover, and explore new ideas using a varied range of materials. These materials are referred to as K-12 makerspace materials. Some of these materials are 3D printers, computers, cameras, electronic tools, building materials, and art and craft supplies.

Game-based learning connects educational content with computer or video games and is used by students interested in different subjects, including science, technology, engineering and math (STEM), language learning, and social sciences. It is designed to balance the study of the subject matter with gameplay and has certain defined learning outcomes. Game-based learning helps students learn in an immersive and engaging environment. Moreover, it aids educators in motivating learners to perform and understand complex topics with ease within a limited time. It allows the creation of an imaginative world for learners to plan, analyze, and experience complex realities without much difficulty.

K-12 furniture is used in classrooms, cafeterias, libraries, offices, and other areas. School furniture plays an active and crucial role in transforming a classroom from a static physical space into a dynamic learning environment.

Golf tourism is a kind of special leisure tourism where people undertake trips or travel for the purpose of playing golf. The destination in golf tourism is a golf course. The main types of golf tourism are domestic and international, and both men and women avail of golf tourism services. Golf courses can attract more business guests by cooperating with tourism agencies

Geofencing is a virtual perimeter generated around a fixed location or moving object, which helps track, monitor, and detect the devices entering and exiting the defined perimeter.