ASTM F2413-11 Requirements. ASTM F2413-11 Standard Specification for Performance Requirements for Protective (Safety) Toe Cap Footwear covers minimum requirements for the design, performance, testing and classification of protective footwear. The purpose of this standard is the certification of protective footwear.
Chat vs Email. Chat and Email are two new communication media that was created along with the internet. In the most basic, the two are very similar, carrying messages in textual form from one device to another. The main difference between the two is with the speed that they occur.
What is Chat? So now you know all sorts of things about the Internet. But you're probably wondering, wouldn't it be nice to talk back and forth with someone without having to continuously send e-mails? Online conversations in which you are immediately able to send messages back and forth to one another is called chat.