That is, the technique may require more time than students will have when they enter practice.

This technique requires two photos, each taken from a little different position.

It is unlikely that these techniques would have required a check in the action.

The technique itself is said to be already researched and does not require further development.

Some techniques may require more than one cycle to be helpful.

The techniques required for making full use of the radio and navigation aids available.

"No." Clearly, a more aggressive technique would be require get the answers they needed.

Both these techniques require rather expensive equipment and can be time consuming.

This technique can of course get very complicated and requires considerable care in design.

However, the knife-cutting technique usually requires a lot of time.