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If you spot small, 1- to 2-inch-diameter holes in your yard, they might harbor sleeping snakes. ... it can help you identify spots that snakes visit often. Serpentine tracks.
Core lawn aerator attachment on a conventional front-tine garden tiller A lawn aerator is a garden tool designed to create holes in the soil in order to help lawn grasses grow. [ 1 ] In compacted lawns, aeration improves soil drainage and encourages worms , microfauna and microflora which require oxygen .
In the 19th century, these marks were often drill holes in rock ledges, crosses or triangles chiseled in rock, or copper or brass bolts sunk into bedrock. Today in the United States, the most common geodetic survey marks are cast metal disks with stamped legends on their face set in rock ledges, embedded in the tops of concrete pillars, or ...
Wood affected by woodworm. Signs of woodworm usually consist of holes in the wooden item, with live infestations showing powder (faeces), known as frass, around the holes.. The size of the holes varies, but they are typically 1 to 1.5 millimetres (5 ⁄ 128 to 1 ⁄ 16 in) in diameter for the most common household species, although they can be much larger in the case of the house longhorn beet
The biggest uncovered holes are made by plumbers and foundation workers who want to ensure their projects have been properly inspected or functioning. Around the House: Leave no hole in or around ...
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Boreholes drilled in this way include oil or gas wells, water wells, and holes drilled for geotechnical investigations or mineral exploration. [2] The drill cuttings are commonly examined to make a record (a well log) of the subsurface materials penetrated at various depths. In the oil industry, this is often called a mud log.