MCQOPTIONS
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				| 1. | 
                                    Before patching the exposure strands should be coated with ____________ | 
                            
| A. | Thick cement grout | 
| B. | Slurry cement grout | 
| C. | Hardened cement grout | 
| D. | Watery cement grout | 
| Answer» C. Hardened cement grout | |