Description. In this clip the structure and function of a ciliated epithelial cell is described. Cilia are tiny hair like structures on the surface of the cell. The hairs sweep hair, mucus, trapped dust and bacteria up to the back of the throat where it can be swallowed.escription. In this clip the structure and function of a ciliated epithelial cell is described. Cilia are tiny hair like structures on the surface of the cell. The hairs sweep hair, mucus, trapped dust and bacteria up to the back of the throat where it can be swallowed.
What is the Training Within Industry â TWI program and how was it set up? The Training Within Industry (TWI) program is a program which supports the development of management skills of experienced operational employees and low and middle management superiors.
What is TWIC? TWIC is a common identification credential for all personnel requiring unescorted access to secure areas of Maritime Transportation Security Administration (MTSA)-regulated facilities and vessels, and all mariners holding CoastGuard-issued credentials.erchant mariners and individuals who need unescorted access to secure areas of ports, facilities, or vessels regulated by the Maritime Transportation Security Act (MTSA) will need to obtain a TWIC. Why should I pre-enroll? Workers can pre-enroll online at http://twicinformation.tsa.dhs.gov.