1 Problem: The tissue surrounding the IV insertion site is swollen, pale, and cool to the touch. 2  Possible cause: Unintentional administration of solution or medication into the surrounding tissue. 3  Assessment: Leaking from the IV site with slowing or occlusion of fluid flow. Possible cause: Inflammation of the vein with possible clot formation due to trauma, bacteria, or irritating solutions. 2  Assessment: The patient reports tenderness, burning, and irritation along the accessed vein. 3  The rate of infusion has slowed.
While the Spaniard first patented a steam-operated machine for use in mining, an Englishman is usually credited with inventing the first steam engine. In 1698, Thomas Savery, an engineer and inventor, patented a machine that could effectively draw water from flooded mines using steam pressure.
Illustration of Thomas Newcomen's Engine circa 1712 Thomas Newcomen was an English blacksmith, who invented the atmospheric steam engine, an improvement over Thomas Slavery's previous design. The Newcomen steam engine used the force of atmospheric pressure to do the work.att's engine soon became the dominant design for all modern steam engines and helped bring about the Industrial Revolution. A unit of power called the Watt was named after James Watt. the Watt symbol is W, and it is equal to 1/746 of a horsepower, or one Volt times one Amp.