a face knot is where there was originally a branch on the tree
1. live or green knot 2. dead or loose knot
Small knots tied to communicate are often referred to as "knot codes" or "signal knots." These knots can convey specific messages or information, often used in sailing or climbing contexts. An example is the use of different knots to indicate particular instructions or statuses among crew members. The practice can also be seen in traditional maritime cultures, where knots were used for communication at a distance.
Celtic knots are known for their use in ornamentation of Christian monuments. Celtic knots can be graphical representation of knots or actual knots in these decorations.
About 5.2 knots.
Thirty-five miles per hour is approximately 30.4 knots.
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1. live or green knot 2. dead or loose knot
Because they are knots created by the Celts
Strength graded timber used in construction of houses that can withstand greater pressures. Usually it has less or smaller knots (spruce), less cracks and other defects.
Winds between 28 knots and 55 knots on the Beaufort scale are known as gale force winds.
Timber can be graded based on visual appearance, strength properties, or a combination of both. Visual grading involves assessing characteristics such as knots, splits, and grain pattern to determine the quality of the timber. Strength grading involves testing the mechanical properties of the timber to ensure it meets specified standards for structural use.
Wood without knots is called Number 1 B-grade wood. B-grade is a better wood with little to no blemishes or knots.
It depends on the density of the timber.
Visual grading rules for timber are defined by NELMA - The North East Lumber Manufacturers Association. To grade timber, one has to be certified and be able to judge the quality of the wood based on the number of knots, grain, shake and checking. Click on the attached link to visit NeLMA's site.
Encased timber knot is a type of defect in timber where a knot is enclosed by the surrounding wood, creating a pocket of weakness in the timber. This can affect the structural integrity of the wood and may lead to splitting or cracking. It is important to identify and address encased timber knots to prevent potential issues in construction or woodworking projects.
An Arris timber knot is a type of defect found in timber, characterized by a knot that is formed where a branch has grown from the trunk of a tree. This knot can affect the structural integrity and aesthetic quality of the wood, as it may impact how the timber can be used in construction or woodworking. Arris timber knots can vary in size and shape, and their presence can influence the grading of the wood. In some cases, they can also add unique visual interest to finished products.
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