Most of us who live in the North (and many who live in the South, given the winter we’ve had) have had the experience of thawing a frozen pipe with the help of an electric hair dryer.
This is a picture of the same principle, applied on a somewhat larger scale to a “main line”* in the CE Maple sugarbush.
Though it got fairly warm today – something like 45⁰ F – it was very cold this morning (like 12⁰) and this line runs under the access road…in the...