Learn more. If you are erasing the free space of your Mac OS X startup volume, you may see this message:  Your startup disk is almost full. &NewLine;You need to make more space available on your startup disk by deleting files..This is a normal, temporary part of the erase free space process.earn more. If you are erasing the free space of your Mac OS X startup volume, you may see this message:  Your startup disk is almost full. &NewLine;You need to make more space available on your startup disk by deleting files..
Filed under Paper Guide. The standard office copy paper weight is most commonly called â20 lb. bondâ. Standard office copy paper weighs approximately 10.0 lbs per 1000 sheets. When people talk about âoffice copy paperâ, theyâre referring to the types of paper that most people use for their printers and photocopiers at home/work.
The thickness of a sheet of watercolor paper is measured by weight. So, logically, the greater the weight, the thicker the sheet. It is measured either in pounds per ream (lb) or grams per square meter (gsm). The standard weights of paper are 90 lb (190 gsm), 140 lb (300 gsm), 260 lb (356 gsm), and 300 lb (638 gsm).