DD is the major diameter of the thread. Thus 3/8-inch thread will have a 3/8 standing at the left most of the thread specification. The dimensions usually come at margins of an inch (1/2, Â¼, 1/8 ,1/16 etc). It must be noted that threads with a diameter smaller than Â¼ have been given special numbers, from 0 to 10.
The speed awareness course is an educational presentation that lasts approximately four hours. The workshop takes place in a classroom based scenario with up to 23 other motorists.he speed awareness course does not involve any type of test. You have been offered the opportunity to attend a speed awareness course because you were recorded driving above the legal speed limit. Although we do have the power to prosecute those who break the speed limit, we would rather persuade drivers to slow down.
There are two main reasons most people take a defensive driving course in Texas â ticket dismissal and insurance rate reduction. Defensive driving courses are mandated to last six hours, and so many people are now opting to take the course online. The advantages are that you can do it at home, on your computer, and at your own pace. It still requires six hours of coursework, but you can take up to three months to complete it.