Why We Vomit. In many cases, throwing up is a protective reflex to rid your body of viruses, bacteria, or parasites in your digestive system. âIf you were to eat something that was spoiled or poisoned, your body would get a signal that something was wrong,â says Bruno Chumpitazi, MD, of Texas Childrenâs Hospital.
Parafilm is ideal for the scientific laboratory because it is a thermoplastic, self-sealing film. It holds moisture loss to a minimum. It offers excellent protection for the contents of tubes, flasks, and petri dishes.
From Wikipedia, the free encyclopedia. Microfilm Reader is a device used for reading of documents stored as microform. Microform includes Flat Film, Microfilm, Aperture Cards, Microfiche, and ultra fiche.Using open reels or cassettes, Microfilm is often used as a way to store many documents in a small space. It has become increasingly important in the development of films as well as storage of archived newspapers.rom Wikipedia, the free encyclopedia. Microfilm Reader is a device used for reading of documents stored as microform. Microform includes Flat Film, Microfilm, Aperture Cards, Microfiche, and ultra fiche.