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The Toyota Sienna is a minivan manufactured and marketed by Toyota primarily for the North American market. It is named for the Italian city of Siena , in the region of Tuscany . It replaced the first generation Previa van in 1997 (for the 1998 model year) with a more conventional front-wheel drive layout and shares a heavily revised platform ...
Simple LED (Light Emitting Diode) circuit diagram. In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED.
Internal combustion engine cooling uses either air or liquid to remove the waste heat from an internal combustion engine.For small or special purpose engines, cooling using air from the atmosphere makes for a lightweight and relatively simple system.
Burnt sienna contains a large proportion of anhydrous iron oxide. It is made by heating raw sienna, which dehydrates the iron oxide, changing it partially to hematite, giving it rich reddish-brown color. [2] The pigment is also known as red earth, red ochre, and terra rossa. On the Color Index International, the pigment is known as PR-102.