Namashkar sir Column banane ke after me upar ka steel ko rust se bachane ke liye red primer (oxide) apply kar sakte hai Kya Aur red primer apply karne ke after dubara casting karenge to concrete pakadega ki nahi Thank u very much sir apka chanel dekh kar bahut sikhne ko Mila hai.
Sir rakha to gya hi aap jaise aap baraye hai pr steel kitna din baris me nahi chorna chahiye agar kisi karan bs jyada din chor dete hai to jung lagne se bachne ke liye use kya kare
Bricks ke liye paani acha hai.....cement ke liye nhi ....U only sale ur courses as a salesman. Cement ko wall se 1' doooor rakha jata hai na ke 2'. Wrong informations.