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1. Burning and Charring: Wood almost always has burned or charred edges, depending on the intense heat of the burning laser beam. This equally compromises the looks and the strength of the final product.
2. Fumes: Some species of wood, especially those with adhesives or resin, give off fumes when cut with a laser. Ventilation of some sort is always needed to ensure safety.
3. Restrictions of Materials: Not every kind of wood is suitable for laser cutting. It is better to use engineered woods since natural ones with knots or uncontrolled grain do not yield dependable outcomes.
4. Grave engravings are susceptible to heat. Even large engraved sections can suffer discoloration and a loss of contrast.
5. Wood’s grain structure makes intricate mechanical features very difficult to accomplish, causing components to chip, crack, and break.
6. Initial Expenses are Very Low: Many do not engage in this venture due to the considerable expense of purchasing laser cutting equipment.
7. Needs to be Highly Skilled: Achieving optimal results when using a laser cutter requires precise technical know-how; hence, the equipment is not meant for everyone.

The amount of energy in a laser used to cut wood is dependant on the thickness and kind of wood. In general:

• For thin wood (2-3 mm), a laser with a power output of 40-60 watts is sufficent.
• For efficient cutting of 6 mm thick wood and above, higher power such as 80 watts or more is recommended.

Cutting thicker materials necessitates higher power in order to increase the speed and quality of the cut. However, what is considered “higher power” will vary depending on the kind of laser and speed of the cut.

Not every type of wood can be laser cut due to numerous factors. The type of wood, its thickness, density, resin or oil content all impact whether it can be laser cut.

1. Softwoods: These are generally harder to laser cut due to their alternating grain structures, resin, and knots. High-quality softwoods without knots can be laser cut but require specific settings.

2. Hardwoods: Denser hardwoods such as oak, walnut, and cherry are capabable of being laser cut, but require stronger lasers. Clean cuts will be produced, but stronger lasers may be required for thicker pieces due to slower cuts needing multiple passes.

3. Plywood: The capability of being laser cut relies on the types of plywood adhesives used, as toxic formaldehyde adhesives among others need to be avoided. Higher power lasers are recommended for cleaner cuts.

4. Oily Woods: Woods like teak that contain high oil content result in uneven cuts due to messy staining.

5. Thin Woods: Woods such as Alder, Basswood, and Hard Maple have uniform grain which makes them ideal for engraving and cutting.

The three broad approaches to logging include the following:

1. Clearcutting: Total forest removal from a specific area. This method is very productive for species that depend upon receiving full sunlight to sprout. While very effective, this practice can have burnt large-scale impacts such as severe loss of biodiversity, destruction of habitat, soil erosion and sedimentation of waterways.

2. Shelterwood System: This technique has selective cutouts on designated areas aka “shelters.” This shelters some of the trees so as to promote sustainable growth by protecting the area from some external harms. In this process, oaks and pines are actively cultivated so as to encourage such species.

3. Selective Logging: This method involves removing trees that are considered a certain “type” based on their size, health and other such factors whilst the rest are left untouched. This results in a lesser degree of damage to the environment but may lead to the unsustainable practice of extracting too much of high demand trees.

In India, the pricing of laser cutting machines trees differ considerably according to the type, power and features. The list is as follows:

1. General Laser Cutting Machines:

-The pricing according to specifications range from ?1,00,000 to ?35,00,000

2. Specialized Laser Tree Cutting Machines:

-The pricing for advanced laser tree trimmers ranges from $$to\; \$$23,876.74 which translates to roughly ?11,50,000 to ?19,90,000.

The technical specifications and advanced features of these machines enable them to be used for precise cuts.