04. Measuring scale.
a, weight the water+container
b, pour water into the mold until it reaches the desired level
c, weigh the water+container again and calculate the difference. So you will have the amount of water needed (in grams).
d, the amount of water x the specific gravity of glass = the amount of glass you need (in grams).
e, yay! 🌟
四，所需水重 x 膨胀系数 = 所需玻璃重量