| 1 | Though having exchanging solemn vows and pledges, support the abrasion not going over time after all. | |
| 2 | Erosion of pipes and vessels from abrasion by particles can be serious. | |
| 3 | Optionally concrete abrasion may be allowed for by increasing the concrete cover (sacrificial layer). | |
| 4 | Working pressure, temperature and abrasion resistance is the choice of pneumatic ash handling the main basis for pipe material. | |
| 5 | You have not been worn down yet by long hours of thankless work, by the slings and arrows of everyday life. |