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.
Scores: Your Score is the total number of Snaps you have sent and received. It appears next to your name in friends' contact lists and vice versa. Chat: Chat is a feature that lets you privately message with friends on Snapchat. Here: Here is a sub-feature within Chat.ending Stories. To send a story, which is basically a snap that exists for 24 hours and can be mass-sent to all your friends, tap the story button from the preview screen. It's right next to the download button. If you send a story, your friends will be able to view it an unlimited number of times in one day.