jar mandrel
1Edison Records — was the first record label, pioneering recorded sound and an important player in the early record industry. Early phonographs before commercial mass produced records Thomas A. Edison invented the phonograph, the first device for recording and… …
2industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
3Blow molding — The blow molding process Blow molding (also known as blow moulding or blow forming) is a manufacturing process by which hollow plastic parts are formed. In general, there are three main types of blow molding: extrusion blow molding, injection… …
