A scroll saw is a hand saw used for cutting fine wood with complex curves and precision sawing. The jigsaw is similar but has a deeper frame for larger cuts. Blades are delicate and need frequent replacement. Power jigsaws are effective for intricate cuts but require caution and safety measures. A scroll saw is a […]
A coil pump is a low-cost and simple pump that uses a rotating coil of hollow tubes partially submerged in fluid. It operates horizontally and requires minimal energy to operate, making it ideal for rural agricultural irrigation. It was developed as an alternative to Archimedean screw pumps and is easy to build and maintain with […]
The scroll lock key was once useful for programming, but is now mostly obsolete due to navigation scrollbars. Other function keys like num lock and SysRq have also become outdated. Some keyboards still include a scroll lock key for nostalgic reasons. Time has gone from the scroll lock key, making it the keyboard appendage of […]
Scroll compressors are used in air conditioning and refrigeration systems to compress refrigerant gas for cooling. They consist of two spiral sections, one stationary and one that orbits in a circle, creating a compression effect. They have few moving parts and are durable, accepting liquid without damage. They can be mounted upright or on their […]
The jigsaw, fret saw, and scroll saw are hand tools used for cutting wood. The fret saw is ideal for curved cuts and creating intricate designs, while the scroll saw is better for finer work. The fret saw can also be used for trimming molding and coping seams. Good results require practice and careful preparation. […]
Circular saws are best for complex pattern work and cutting curves, while jigsaws come in two types: parallel arms and C-arms. Bandsaw blades have three basic configurations and spiral blades for cutting metal or glass. Fretsaws come in various sizes defined by the throat. A circular saw is an electric table saw that is operated […]
