Weight Loss Due to Spillage (\( L_s \)):

\[ L_s = 0.005 \times W_g \times H_f \]

Where:

• \( L_s \) is the weight loss due to spillage, in kilograms (kg).
• \( W_g \) is the weight of grain handled, in kilograms (kg).
• \( H_f \) is the number of times of handling.