silt, sand, colloids, clay sand, silt, colloids, clay sand, silt, clay, colloids clay, silt, sand, colloids
Answer Discuss in Comment
"Scientists dream about doing great things. Engineers do them."
PSC Advertisement ⏩ | Federal PSC | Bagmati PSC | PSC Karnali | PSC Lumbini | PSC Sudurpaschim | PSC Gandaki | PSC State 1.