KNOWLEDGE ILLUSION on Instagram: "🏗️ Smart Way Workers Fill Sandbags on Site • Sandbags are essential for flood control and construction safety. • Filling them manually can be slow and exhausting. • This smart method uses gravity to speed up the process. • Sand is poured from an elevated source. • Gravity increases flow rate and reduces effort. • Workers hold bags at the optimal angle. • This minimizes spillage and material loss. • Consistent flow ensures uniform bag weight. • Uniform bags stac