Autumn is the golden season of decoration, but at the same time when busy, don’t overlook the issue of environmental protection. It is important to know that 40% of children with leukemia have been renovated within half a year at home. So, how to avoid the errors in decoration? Come and listen to the experts' opinions. Misunderstanding 1: Reliance on environmental protection materials Expert Comments: Home improvement using environmentally friendly materials, the environment will meet the standard? Not always. Apart from paying attention to the choice of environmentally friendly materials, we must also scientifically determine the design and construction process of the decoration. Pay attention to the reasonable mix of various building decoration materials, the calculation of housing space pollution load and the calculation of indoor ventilation. Misunderstanding 2: Air purifier can solve indoor pollution Expert Comments: Consumers should take different air purification and control measures based on the different results of indoor air quality testing. At present, various air purification and treatment products on the market are mixed, and consumers are easily deceived. Myth 3: blindly pursue luxury Expert Comments: Luxury decoration, people's psychology can understand, but at the same time when buying high-grade materials, I do not know that this blind decoration may hurt physical and mental health. Therefore, in the decoration, we must pay attention to the use of environmentally friendly materials as much as possible to minimize pollution. Misunderstanding 4: Immediate Check-in After Completion Expert Comments: After the renovation of the room should not be immediately moved in, there should be some time for the full release of harmful gases, while maintaining indoor air circulation, is conducive to the discharge of harmful gases. The doors and windows are closed during construction and can easily cause indoor air pollution and poisoning. Therefore, ventilation must be done to ensure the freshness and circulation of indoor air. Myth 5: No odor is safety Expert Comments: Under certain circumstances, the renovated room may feel little after the renovation, which has several reasons: First, the correspondingly low release of harmful gases; Second, some indoor harmful gases such as carbon dioxide, carbon monoxide Benzene series, radioactive materials, etc. are not noticeable. Therefore, if conditions permit, it is best to check the indoor air quality and then stay. Misunderstanding 6: Using air freshener or pineapple skin to purify indoor harmful gases Expert Comments: This is a self-deceiving approach that can only play a superficial role in covering up and tends to increase the damage to consumers. Therefore, when consumers find indoor odors, they should look for the indoor environment testing department for inspection and management. Experiences on the entrance decoration restaurant decoration interior decoration window decoration design home decoration
The masonry bit is a variation of the Twist Drill Bit, the bulk of the Tool is a relatively soft steel, and is machined with a mill rather than ground. An insert of tungsten carbide is brazed into the steel to provide the cutting edges.
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Masonry bits typically are used with a Hammer Drill, which hammers the bit into the material being drilled as it rotates; the hammering breaks up the masonry at the Drill Bit tip, and the rotating flutes carry away the dust.
Hammer drill bits often use special shank shapes such as the SDS type, which allows the bit to slide within the chuck when hammering, without the whole heavy chuck executing the hammering motion.
Masonry bits of the style shown are commonly available in diameters from 3 mm to 40 mm. For larger diameters, core bits are used. Masonry bits up to 1,000 mm (39 in) long can be used with hand-portable power tools, and are very effective for installing wiring and plumbing in existing buildings.
