It suggests that shorter rescuers "may get a big benefit" from using a step stool, she said.

The study was not large enough to set a hard-and-fast height cutoff for using a step stool, according to Edelson.

Some of these compounds reversed at different degrees electroconvulsive shock- and Scopolamine-induced amnesia, using a step-through passive avoidance in mice.

The porter was lighting the overhead lamps, using a step-ladder to reach them and moving it from spot to spot between the chairs.