5000 years kritham BEER anedhi purathana EGYPTIAN laku daily diet .
nka vallu religious pratices ki use chese vallu.
Beer ni 19th century lo glass bottles lo pette vallu .
kani clear glass bottles lo pettadam valla avi sunlight loni UV RAYS tho react ayyi oka vichitra mayina vasana vachedi .
a vasanani barinchalem .
daniki solution ga oka dark coloured bottle lo vunchadam valla UV RAYS a bottle loni beer tho react avvadu .
so 1945 tym lo brown coloured bottles lo sell chese vallu UV rays nunchi kapadadaniki .

kani WORLD WAR 2 tym lo brown colour glass shortage vundadam valla malli clear glass beer bottles ne vadukune vallu .
dantho asalu beer bottles konadam chala takkuva ayindi .

dantho green colour glass bottles ni ala introduce chesar .
dantho avi ippatiki circulate avuthunay .

Brown glass 98% protection isthe , green glass 20% protection isthundi
clear glass 0 % protection isthundi light nunchi.