Shabdkosh · saaman
Ball
Chhoti ball jo rotor ki ulti disha mein track par chhodi jaati hai. Aaj ki balls ivorine ya Teflon ki hoti hain, 18–21 mm.
Sandarbh mein
Ball ka size badalne se uska uchhalna badalta hai: chhoti ball tikne se pehle fretssaamanFretWheel par do pockets ke beech ka metal divider.Poora padhein → ke beech zyada der khadakti hai. Studios behaviour badalne ke liye size badalte rehte hain.
Kya aap jaante hain
20vi sadi ke beech tak haathi-daant ki balls use hoti thin; collectors aaj bhi synthetic balls ko “ivorine” kehte hain, jo 1890s ke ek celluloid substitute ka trade name tha.