natural science(noun) the sciences involved in the study of the physical world and its phenomena. natural science(Noun) A science involved in studying phenomena or laws of the physical world; a general term of physics, chemistry, biology, astronomy, and so on. Natural science. The natural sciences are those branches of science that seek to elucidate the rules that govern the natural world through scientific methods.
Local number portability (LNP) lets you change your phone company that provides you with your local calls without changing your telephone number(s).Taking your telephone number to another phone company is known as 'porting'.ocal number portability (LNP) lets you change your phone company that provides you with your local calls without changing your telephone number(s).
Telephone: +44 (0)1442 211 848 | Fax: +44 (0)1442 212 776. HomeTVTEL Telephone based door entry systems. When visitors press a button to call a resident from the TVTEL telephone door entry panel, the system simply speed dials the preprogrammed telephone numbers. Residents answer on their normal telephones - landline, cordless, mobile and PAYG. To open the door or gate for their visitor, the resident simply presses the 0 button on the handset.