Largest Standard Size. The largest readily available, mass-produced laptops that offer a wide-range of brand and feature choices fall into the 17-inch category. The actual screen size varies from 17 inches to around 17.3 inches depending on the device. The 17.3-inch systems are designed to have plenty of room inside the case for components and have a screen similar to what you'd find at the lower end of desktop monitors.
An aloe can also harbor mites, microscopic insects that develop fine, wispy webs on or between leaves. A severe mite infestation can also cause parts of leaves to die back and turn dark. Both pests can be controlled by spraying the plant with insecticidal soap, diluted at a rate of 6 tablespoons per gallon.
The causes of soil alkalinity can be natural or man-made: 1  The natural cause is the presence of soil minerals producing sodium carbonate (Na2CO3) and sodium bicarbonate (NaHCO3) upon weathering.  Coal-fired boilers / power plants, when using coal or lignite rich in limestone, produce ash containing calcium oxide.