None. Dry ice is considered a hazardous material for air shipments for two reasons: when it sublimates, the carbon dioxide displaces air and can suffocate the people in the plane, including the crew; and an improperly ventilated container of dry ice can explode. The certification isn't hard to do, but it must be done for any size shipment of dry ice. Additionally, the International Air Transport Association does not allow dry ice shipments larger than 200 kilograms per parcel, and the airline must be informed ahead of time that you're shipping dry ice so they can be sure the vents on the airplane work.
You need certification do do nursing duties. You could do janitorial or other such duties without a certification.
yes.
only one piece of hand luggage is allowed on board by each passenger
Yoga certification is a necessity for every instructor. Certification insures that the instructor is properly trained in the techniques specific to his/her style of yoga. They can train without any injury to you.
you dont need the certification to become a nurse, but you do need it to work. If your planning to get a job then you need to get your certification cause no hospital or clinic will hire you without one.
A passenger who is traveling via a certain city, without visiting it, to get to the final destination.
A Chuck Norris roundhouse kick.
However, you can call yourself a Design Consultant, Interior Decorator or just plain Designer without having any degree or certification. You just don't have the clout that comes with it. If you aren't an actual Interior Designer and you call yourself that, especially in print (ads, business cards, etc.) you can get sued and will never be allowed to become an interior designer.
Of course not. When was the last time you saw a vehicle without a passenger window.
There are several yoga teacher training centers. You can earn your certification for less than fifty dollars.
A surgical tech certification is what is need by a surgeon's assistant to be able to work with them in the operating room. Without it, you cannot find as many jobs.
You can take a phlebotomy certification course are just try your luck by taking the phlebotomy certification test without the course.