Once you submit your renewal fee, you will receive an e-mail confirmation of your payment. The e-mail will also be accessible on your list of communications. The payment of your MDCB renewal fee will maintain your Certified Medical Dosimetrist (CMD) credential in good standing. Renewal fees received after December 31 will be subject to a late fee of $50 in addition to the $125 renewal fee. CMDs who do not renew before January 31 risk losing the CMD credential.
1-Wheel (One of most useful inventions for mankind) Look around, you will not find anything which has no connection with wheel. Wheel is the part and parcel of each machine in this modern era. The early wheel was simple wooden disk with a hole for axle. The oldest form of wheel was used in Mesopotamia.
Invention of the Telephone. Posted on August 3, 2009 by Jamie Slaughter, with 32767 views. One of the most important and revolutionary inventions which impacts greatly upon modern day communication is the invention of the telephone.