Computer · Highway Engineering
सड़क की सतह पर लगाया गया प्राइम कोट कम से कम ____ घंटे के लिए अबाधित छोड़ दिया जाना चाहिए तथा जब तक यह पूरी तरह से अवशोषित न हो जाए, इसे यातायात के लिए नहीं खोला जाना चाहिए।
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