A bank of sliders with multiple selection typically requires two-handed or multi-fingered operation.
The most conservative position is that which somehow or other represents the weak hand separately in all two-handed cases.
Signs may be classified according to their form, as one or two-handed.
Initially, when infants began to walk, and their upright balance was quite precarious, they increased their rate of two-handed responses for reaching and retrieving concealed objects.
One of the arguments presented for this position is the fact that some two-handed signs have changed diachronically from one type (place) to the other (copy).
If, as most did, the children played with the two beaters, simple structures and movement patterns arose as a direct result of two-handed patterning and body symmetry.
It is obvious to everyone outside that there must be a two-handed approach to the police.
We must take a two-handed approach to the problem.
