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.
Basis Weight. The basis weight of a paper is the designated fixed weight of 500 sheets, measured in pounds, in that paper's basic sheet size. It is important to note that the basic sheet size is not the same. for all types of paper. Caliper. Caliper refers to the thickness of a sheet of paper expressed.