You bought a new hand pump but found that the hand pump does not suction oil when it is working. Even if you press the handle of the hand pump repeatedly, the hand pump starts to suction oil, and the oil intake is much less than normal. Please don’t worry, this is because there is…

Outline A home’s foundation is its most important structural element. It supports the rest of the house and keeps it from sinking, shifting or cracking. When a foundation starts to sink, it can cause a variety of other problems that can be costly and dangerous to fix. Causes of a sinking foundation Sinking foundations are…

Blog Outline What is a wind turbine and how does it work? A wind turbine is a device that converts kinetic energy from the wind into electrical energy. The most common type of wind turbine uses a rotor to capture the wind’s kinetic energy and turn it into rotational energy. This rotational energy is then…