A crown block is a pulley system located on the top of an oil rig that works with a movable block to increase drilling power. It requires maintenance to prevent cable damage. A crown block is a pulley located at the top of an oil rig or tower. It sits on the crown deck, which […]
Corona treatment alters material surfaces through exposure to plasma, creating new properties. It is safe and cost-effective, commonly used to prepare non-porous surfaces for printing or bonding. Plasma is created through exposure to an electric current and can be used on various materials. Plastic sheets are commonly treated to accept chemical bonds. Corona treatment is […]
A corona discharge occurs when fluid around a conductor becomes ionized due to a high electric field strength. The discharge requires a high potential electrode in an electrically neutral fluid. The curved electrode’s polarity determines the type of corona discharge. It has applications in removing electrical charges from aircraft and removing particulate matter from the […]
A wreath fundraiser is an event where volunteers sell Christmas wreaths to raise funds for a non-profit cause or group. Wreaths can be made by volunteers or purchased from a wholesaler, and are typically sold around Christmas time. The funds earned can go to any number of causes, and wreaths can be decorated with Christmas […]
