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#😍மனதை தொடும் ஸ்டேட்டஸ்
😍மனதை தொடும் ஸ்டேட்டஸ் - knowledge of Civil Engineering Basic 1. Initial setting time of cement 30 mins 2. Final setting time of cement 600 mins 3. Unit weight of cement 3 1440 kglm 4. Expire period of cement 3 Months 5. Grades of cement 33,43&53 ~ knowledge of Civil Engineering Basic 1. Initial setting time of cement 30 mins 2. Final setting time of cement 600 mins 3. Unit weight of cement 3 1440 kglm 4. Expire period of cement 3 Months 5. Grades of cement 33,43&53 ~ - ShareChat