Rational Method is a rather conservative method. One of the basic assumptions of the rational formula is that the rainfall intensity must be constant for an interval at least equal to the time of concentration. For long duration of rainfall, this assumption may not hold true.
The puzzle piece was first associated with Autism Awareness when it was used within the logo for National Autistic Society in the UK in 1963. The logo of the society was designed by a neurotypical parent of an Autistic child who was a member of th...
- Wear your Autism Speaks puzzle piece pin every day throughout the month of April, and tell people about autism if they ask about it. - Change your Facebook profile picture to the Light It Up Blue logo and tag at least 10 of your friends.- Post on your blog about how you are âlighting it up blueâ to raise autism awareness.- Add the Light It Up Blue logo to your e-mail signature â¦ and type your e-mails in blue! Wear your Autism Speaks puzzle piece pin every day throughout the month of April, and tell people about autism if they ask about it. - Change your Facebook profile picture to the Light It Up Blue logo and tag at least 10 of your friends.