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Steel - Chemistry Encyclopedia - structure, elements ...

Steel is an alloy of iron with about 1 percent carbon. It may also contain other elements, such as manganese. Whereas pure iron is a relatively soft ... ... Read more

Standard Size Toggle Switch

Standard Toggle Switch: Switch is rated at 20 Amp @ 125 VAC and 30 Amp @ 12 VDC Switch mounts in a 1/2 inch (12.2mm) hole and has screw type terminals. ... Read more

pH Sensors | Sea-Bird Scientific

pH Sensors. Sea-Bird manufactures the following pH sensors: pH and CTD plus Dissolved Oxygen, for Moored applications to 50 m — SeapHOx TM (ion selective field ... ... Read more

External Factors that Influence Sleep | Healthy Sleep

There are many factors, both internal and external, that can influence the quantity and quality of the sleep we obtain. Sleep scientists understand how various factors affect sleep and why they have ... Read more