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.
Parachute cord: Also called Paracord, is a type of nylon material. It's the strongest cord available nowadays. It's usually 2mm to 4mm size, and can be used for just about any project, from plant hangers to jewelry. Melt the ends with a flame in the preparation and finishing steps. Hemp Cord: This is the most popular material for Macrame, and was frequently used in the 1960âs.