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.
If there was no wheel, there were no cars, bikes, aircraft, cranes, bulldozers and many other machines and objects. The wheel is said as the most important and the greatest invention of all times. The most important aspect of a wheel is that it made invention of many other objects easy. It became very easy to move larger objects. 1  They are used in transportation objects like cars and buses.  With the help of wheels, the heavy machinery like bulldozers and cranes became mobile and easy to move.