"It's the low-tech version of it," Mr. Longbottom said.

Wet cleaning is generally regarded as being in its infancy, although low-tech versions of it have been used for centuries.

Think of it as the low-tech version of interactive electronic media, as opening a poster to learn what lies inside takes on the trappings of a treasure hunt.

In general, wet cleaning is still being improved and developed, although low-tech versions of it have been used for centuries.

To a new set of investigators two decades later, the notebook sounded chillingly like a low-tech version of the computerized list found in Mr. Chamberlain's work-station computer.

The pirates also use a low-tech version of stealth technology: they choose boats made of wood, which are hard to spot on radar.

With all their mechanical parts exposed, Mr. Burns's amusing works are like low-tech versions of Jon Kessler's recent politically charged kinetic sculptures.

Gondry uses his low-tech version of special effects to enhance the drama in his videos and movies, never just for show.

In effect, it is a low-budget, low-tech version of the suction method practiced in medical clinics.