| Such estimates of time-scale based on the stratigraphy of canyon fill will remain uncertain, however, until the nature of the fill is better understood. |
| For all the apparent permanence, within a protracted, geological time-scale, sandstone is in fact quite quick to change. |
| Motorola recognized that they could not meet its aggressive time-scale and goals using their previous verification methodology. |
| It made no mention of costs, the need for toilet and catering facilities, extra turnstiles, a club shop or social club nor did it give a time-scale. |
| The nagging problem is, however, a huge time-scale gap of up to ten orders of magnitude and none of the presently available approaches is able to cope with this discrepancy. |
| The contract was won in a competitive tender process characterized by price, performance, compliance and delivery time-scale. |
