What are the 7 ways to remove formaldehyde?

In a newly renovated house, we can easily smell a pungent smell. The source of this smell is formaldehyde, which is a harmful gas to the human body and can lead to dizziness, nausea, and vertigo. This phenomenon. What are the common ways of removing formaldehyde ? Let'.......

How to connect the wire to the wiring

Every time a house is refurbished, it involves the distribution and installation of the wires. Because the wires are inconvenient to adjust after the decoration, the wires must be installed and installed during the renovation. So, how to take home wire ? W.......

Double outer (inner) ring double row angular touch ball bearing [touch angle 40°]

Home>Bearing knowledge>Double outer (inner) ring double row angular touch ball bearing [touch angle 40°] .......