To saw through the groove to “hide” the wiring in the plaster of the wall can be the simplest tool made from a wooden block and two fragments of the saw blade. The thickness of the bar determines the width of the groove.
Recommend to read
PORTABLE CONCRETE MIXER
Mixer intended to receive the concrete mixture or cement-sand mortar. The performance by volume - 15 two-gallon buckets of a mixture in the ratio of 1.5 buckets of cement + 4.5 buckets...
MOTORCYCLE WATER EXPANSES
In the mid 80-ies on television in many countries was widely advertised a small, high-speed, extremely maneuverable motorized vessels under the General title of "jet": "jet-ski",...