Sofa and air conditioning if used improperly, what harm can bring to the body?
If the sofa is too soft, the gravity of the support is not stable, people will seek to move the body naturally or half unconsciously, stable and balanced body, so a long time sitting soft sofa can let a person feel backache, fatigue. At the same time, sitting on a soft sofa, it is difficult to maintain the normal physiological curvature of the spine, for a long time, will make the back muscles tense and induce or aggravate low back pain.
1. Prepare the welding equipment and the necessary fittings and air conditioning copper tubes.2, be sure to clean the parts to be welded and air conditioning copper pipe, so as to ensure the correct solder joints.3, will want to cut the air conditioning copper tube to do the corresponding mark, use copper cutter to cut air conditioning copper tube.4, with both ends of cloth or gauze cleaning air conditioning pipe, until it looks clean. This is done to remove dirt and grease and prevent oxidation.5, in the welding use air conditioning copper tube flux, only a thin layer of air conditioning copper tube flux.6 when heating the air conditioning copper pipe and the pipe fitting, the fitting in the pipeline will be more heat, therefore when installs, the fitting and the air conditioning copper pipe should be enough hot.
Air conditioning will be more, too low temperature will be cold, often out of air-conditioned rooms, but also easily because of temperature difference and cold. Too long, no cleaning, easy to get sick because of bacteria, air conditioning, diseases and so on.
