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Remove the asbestos layer of about 2 to 5 mm using a 19 mm blaze bit, and drilling can be done with a dry vibration drill. This method is easy to implement even for workers accustomed to vibration drills, especially when asbestos is only present on the surface. The work consists of "two processes" of removal and drilling, but since the asbestos-containing waste is only from the wall surface, the amount of asbestos waste can be reduced compared to direct drilling. The waste will be solidified concrete, classified as asbestos-containing industrial waste. For details, please refer to the related link "Research Report on the Removal of Asbestos-Containing Construction Finishing Materials Using Water-Circulation Non-Vibrating Drills - Revised Edition." This is a lightweight and compact design water-circulation non-vibrating drill. It is low-noise and dust-free, allowing construction to be carried out even in office buildings and hospitals while occupied. Since it is a circulation system, there is no need for scaffolding for water collection or sludge disposal. Sludge waste can be reduced to about 1/50, and since the coolant is tap water, running costs can also be kept low. Consumable parts from the Water Smashing AT series can also be used.

Direct drilling into asbestos-containing exterior walls and the removal of asbestos finishing materials using dry vibration drill drilling is also possible. Core sampling for asbestos analysis allows for accurate analysis layer by layer, making it suitable for investigation companies. Waste can be mixed with cement using circulating water for concrete solidification. Excess circulating water and cleaning water are stabilized using high molecular water-absorbing polymers. Classification can be processed as asbestos-containing industrial waste. For details, please refer to our company's website for the "Research Report on the Removal of Asbestos-Containing Building Finishing Materials Using Water Circulation Type Vibration-Free Drills - Revised Edition." The "Hole Man AT-5" is a lightweight and compact design water circulation type vibration-free drill. It operates with low noise and dust, allowing construction to be carried out in offices and hospitals while occupied. Since it is a circulation type, there is no need for scaffolding for water collection or sludge disposal. Typically, drilling work with a vibration-free drill produces about 50 liters of sludge per day, but the Hole Man AT-5 can reduce this to about 1 kg, making it an environmentally friendly machine tool. Additionally, the coolant is only tap water, which helps keep running costs down. It is also compatible with the Water Smashing AT series.