Nylon
when was artificial respiration invented
natural fibre are obtained from nature but artificial fibres are man made fibre
the artificial leg was invented in 1909 a whale bone
Both, actually. There are both kinds of bags available.
Artificial fiber is a type of synthetic fiber that is made from natural materials or by chemical processes. These fibers do not come from natural sources like plants or animals, but are created in a laboratory setting using polymers or other chemicals. Examples of artificial fibers include rayon, acrylic, and polyester.
Optic Fiber was invented in 1955
in 1938
in Canada
laszlo biro invented the ballpoint pen in 1938 !
God?
An artificial Christmas is artificial fir and pine tree. There are also aluminum and fiber optic trees. The first artificial Christmas tree was made by the Germans during the 19th century.
Natural silk is a proteinic fiber (sericin and fibroin).