Sparkler - HD 影片檔
Sparkler. This type of hand-held firework consists of a thin metal rod that has been dipped into a pyrotechnic paste and allowed to dry. The paste contains a metallic fuel such as aluminium or magnesium which create silver sparks, an oxidiser such as potassium nitrate to produce oxygen to burn the fuel, and a combustible binder.
購買授權
所有免版稅授權包含全球使用權限、全面的法律保障，定價簡單並享有計量折扣。
HK$3,500.00
HKD