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.
Email spam, also known as junk email, is a type of electronic spam where unsolicited messages are sent by email. Many email spam messages are commercial in nature but may also contain disguised links that appear to be for familiar websites but in fact lead to phishing web sites or sites that are hosting malware. Spam email may also include malware as scripts or other executable file attachments.