 
 <prompt> How vinyl better pass shellac when e reach records? Given di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: In 1931, RCA Victor bring their vinyl-based Victrolac compound as material for some unusual-format and special-purpose records. By the end of the 1930s vinyl's advantages of light weight, relative unbreakability and low surface noise don make am the material wey people dey choose for prerecorded radio programming and other critical applications. When e reach ordinary 78 rpm records, the cost of the raw material too high and e dey vulnerable to the heavy pickups and crudely mass-produced steel needles wey people still dey use for home record players, so e no make sense to substitute am for shellac at that time. During the Second World War, the United States Armed Forces produce plenty 12-inch vinyl 78 rpm V-Discs for use by the troops overseas. After the war, the wider use of vinyl become more practical as new record players with relatively lightweight crystal pickups and precision-ground styli made of sapphire or an exotic osmium alloy plenty. In late 1945, RCA Victor start to offer special transparent red vinyl De Luxe pressings of some classical 78s, at a de luxe price. Later, Decca Records introduce vinyl Deccalite 78s, while other record companies come up with vinyl concoctions like Metrolite, Merco Plastic and Sav-o-flex, but dem mainly use am to produce "unbreakable" children's records and special thin vinyl DJ pressings for shipment to radio stations. 