A thermostat is a component of a control system which senses the temperature of a system so that the system's temperature is maintained near a desired setpoint. The thermostat does this by switchin...
Civil engineering block
Civil engineering concrete block
To allow an acquired output signal to be DC voltage, for higher versatility.
To detect existence of a material by the change of a direct-current voltage, to enlarge a detection area of the material, and to constitute many detection parts.
A humidifier is a household appliance that increases humidity (moisture) in a single room or in the entire house. There are point-of-use humidifiers, which are commonly used to humidify a single ro...
To allow a user to more effectively learn an original word, that is, a foreign language.
Yarn that dissolves in water
The toothbrush is an oral hygiene instrument used to clean the teeth and gums that consists of a head of tightly clustered bristles mounted on a handle, which facilitates the cleansing of hard-to-r...
To facilitate identifying numerals by a computer with high accuracy.
Hydroponics is a subset of hydroculture and is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral n...
Cosmetics (colloquially known as makeup or make-up) are care substances used to enhance the appearance or odor of the human body. They are generally mixtures of chemical compounds, some being deriv...
Sintering is the process of forming a solid mass of material by heat[1] and/or pressure[2] without melting it to the point of liquification. Sintering happens naturally in mineral deposits or as a ...
Quick typing method
Advertising over a network
To increase a learning effect by allowing a user to learn systematic knowledge while enjoying.
Simulation is the imitation of the operation of a real-world process or system over time.[1] The act of simulating something first requires that a model be developed; this model represents the key ...
