1 Being called ugly is different from being called not well taken care of or unkempt. 2  Take responsibility for your image, for things that you can change. 3  Always consider the source. Being called ugly is different from being called not well taken care of or unkempt. 2  Take responsibility for your image, for things that you can change. 3  Always consider the source.
Ls. 1. Command used in Linux, Unix, and their respected variants that lists the files and directories in the current directory. 1  See the Linux and Unix ls command page for additional information about this command.
What is PPS? Polyphenylene Sulfide (PPS) Polymer Characteristics. PPS is an engineering polymer whose structure is composed of benzene and sulfur. Polyphenylene sulfide (PPS) is a partially crystalline, high temperature performance polymer that has the chemical structure shown in the figure on the right. This polymer has a high melting point of approximately 280Â°C, excellent chemical resistance and is inherently flame retardant.