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2. Plug and feather - Wikipedia

   en.wikipedia.org/wiki/Plug_and_feather

   A stone being split using a single plug and feathers. Multiple sets of plug and feathers are typically used to split a single, large piece of stone. The stone is first examined to determine the direction of the grain and to identify any potential defects. After the location of the intended split is chosen, a line is scored on the surface of the ...

3. Lewis (lifting appliance) - Wikipedia

   en.wikipedia.org/wiki/Lewis_(lifting_appliance)

   Lifting the stone a small distance from the ground before hoisting is the best way to test a lewis. Any sign of looseness or damage should be corrected by adjusting the lewis hole or packing the lewis with metal shims. To bed a stone using a lewis, the stone is placed on dunnage laid flat with enough clearance for a mortar bed to be placed ...

4. Wedge - Wikipedia

   en.wikipedia.org/wiki/Wedge

   Splitting mauls and splitting wedges are used to split wood along the grain. A narrow wedge with a relatively long taper, used to finely adjust the distance between objects is called a gib, and is commonly used in machine tool adjustment. The tips of forks and nails are also wedges, as they split and separate the material into which they are ...

5. Drifter drill - Wikipedia

   en.wikipedia.org/wiki/Drifter_drill

   Rock drill mounted on a tripod. The large objects on the legs are weights to anchor it down into position. In reciprocating power drills, the drilling cylinder is mounted on a feed-screw, such that as the hole is drilled and the drilling point recedes from the rock face, the drill-bit continues to move into it, while the anchor point (on the tripod or column) remains in place. [11]

6. Chuck (engineering) - Wikipedia

   en.wikipedia.org/wiki/Chuck_(engineering)

   A drill chuck is a specialised self-centering, three-jaw chuck, usually with capacity of 0.5 in (13 mm) or less, and rarely greater than 1 in (25 mm), used to hold drill bits or other rotary tools. This type of chuck is used on tools ranging from professional equipment to inexpensive hand and power drills for domestic use.

7. File:Feathers and wedges 2.svg - Wikipedia

   en.wikipedia.org/wiki/File:Feathers_and_wedges_2.svg

   A three-piece metal tool set for splitting rock / stone. |Source=self-made |Date=2009 07 13 |Author= [[User:Anna Frodesiak|Ann; 2009-07-13T08:31:56Z Anna Frodesiak 495x578 (64821 Bytes) {{Information |Description=Feathers and wedges,also known as wedges and shims or plugs and wedges. A three-piece metal tool set for splitting rock / stone ...