Glossary

L.E.L.

Abbreviation L.E.L. means "Lower Explosive Limit" or "Lower Explosive Limitation", which translates as "Lower Explosive Limit" or "Lower Explosive Limit". This value indicates the lowest concentration of flammable gas or vapor in air at which…

Laddomat

Laddomat is a trade name for a specific product that is often used in connection with water heating and heating, especially in the field of solid fuel boilers or biomass boilers. Laddomat is a protective and regulatory component that helps…

Lambda Pro

Lambda Pro is the designation for a combustion control system that is often used in modern heating systems. It is an intelligent system that monitors and optimizes the fuel combustion process in order to achieve high efficiency and minimize…

Laminate

Laminate is a popular type of flooring material that is made from different layers of composite material. It consists of HDF (High-Density Fiberboard) board as a core and a decor layer that imitates wood, stone, paving or other…

Laminated floor

    Laminated floorLaminate is a type of composite material that consists of several layers, impregnated with a suitable resin (or other adhesive). It is most often produced by pressing at higher temperatures and this process is…

LAN

LAN stands for "Local Area Network" or "Local Network" in Slovak. It is a network that connects devices in a limited geographic area, such as a home, office, school campus, or building. The goal of a LAN is to allow devices to communicate with…

LCD

  LCD (Liquid Crystal Display) is a type of display that uses liquid crystals to display an image. It is a flat screen panel used in many electronic devices, including televisions, monitors, mobile phones, tablets and other devices. The…

LDPE

LDPE is an abbreviation for low-density polyethylene (Low-Density Polyethylene). It is a thermoplastic polymer that belongs to the polyethylene group. LDPE is produced by polymerization of ethylene using catalysts and low pressure. It has low…

LED

Luminiscenčná dióda alebo svetelná dióda (iné názvy: elektroluminiscenčná dióda, LED, zriedkavo svietivá dióda, žiarivá dióda, dióda emitujúca svetlo, ľudovo ledka, angl. light-emitting diode) je polovodičová elektronická súčiastka, ktorá vyžaruje…

Legionella

Legionella is a bacterium belonging to the genus Legionella. The best-known species of this bacterium is Legionella pneumophila. This bacterium can cause serious respiratory infections in humans called legionellosis or Legionnaires' disease.…

Li-Ion

Li-Ion stands for "Lithium-Ion" and means "lithium-ion battery". A Li-Ion battery is a type of battery that uses lithium ions to store and release electrical energy using chemical reactions between the anode and cathode. These accumulators are…

Light gas

Light gas is a gas mixture that was used in the past to illuminate public spaces, homes and other places before the invention of electric lighting technology. Light gas consists of gaseous hydrocarbons, while the hydrocarbon acetene (ethine)…

Lighting

Lighting or illuminance can be: lighting intensitythe state of the object on which the light falls (characterized by the intensity of the illumination, the direction of the light incidence, the degree of light dispersion, the color of the light,…

liter

Liter je jednotka objemu. Označuje sa pomocou dvoch oficiálnych značiek: malého písmena l a veľkého písmena L.[1] Liter je metrická jednotka, ale nie je jednotkou sústavy SI. Keďže však ide o dekadický násobok…

Long-distance expansion coefficient of the pipe

The coefficient of long-distance expansion of the pipe, also known as the coefficient of linear thermal expansion, is a physical quantity that determines how the length of the pipe changes as a function of temperature. Each material has its own…

Low temperature boiler

A low-temperature boiler is a type of heating device designed for efficient heating and heating of hot water at low operating temperatures. Its main goal is to minimize heat loss and increase the energy efficiency of the heating system. The…

Low-temperature heating systems

Low-temperature heating systems are modern heating technologies that operate at lower temperatures compared to traditional heating systems. These systems are designed to provide efficient and energy-saving heating through lower water or air…

ložisko

Ložisko je strojárska súčiastka ktorá slúži na prenos síl medzi pohyblivými a pevnými časťami mechanického stroja, pričom je vyrobené tak, aby minimalizovalo trenie vznikajúce medzi pohyblivými a pevnými…