They still use the traditional slane, a special narrow-bladed spade often with an extra cutting edge set at right angles to the blade so that it can cut a sod of turf with one slice.
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“Lizards must actively adjust the angle of their tails just right to remain upright,” says a report released by the University of California, Berkeley.
Total stations (at right) also have the capacity to measure electronically and to record data accumulated in the field, including angles, distances, and item descriptions.
Was it mere chance that caused the earth to move around the sun at just the right speed, to rotate on its axis every 24 hours, and to have just the correct angle of tilt?