Using a laser is an easier technique than using mechanical or chemical means.

Exfoliation can be achieved through mechanical or chemical means.

Exfoliation is achieved through either mechanical or chemical means.

Mechanical and chemical means are used to remove the vegetation.

Numerous mechanical and chemical means are used to purify the final product.

However, some researchers say that a different kind of nerve receptor is being stimulated, perhaps by physical rather than chemical means.

"Neither of them had the equipment on site to deal with it, either through mechanical means or chemical means," he said.

Might it be worthwhile to send out a ferret to look for, well, chemical means?

This is then spread via both electrical and chemical means through the plant; only a single leaflet need be disturbed.

By far, most pretreatments are done through physical or chemical means.