| 1 | Tiles. Check tiles and grout and touch up/repair where there are cracks or pitting. | |
| 2 | Check tiles and grout and touch up/repair where there are cracks or pitting. | |
| 3 | Chemistry grouting is viable to this kind of crack from the practice. | |
| 4 | To this kind of crack, the most effectively handle method is chemistry grouting. | |
| 5 | The reason for the fall in productivity at night may lie in a key stage in the rice plant's cycle: grain filling. |
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