Obstructive hydrocephalus is a type of hydrocephalus in which the normal flow of cerebrospinal fluid (CSF) through the brain’s ventricular system is blocked. This blockage causes CSF to accumulate inside the brain’s ventricles, leading to increased pressure within the skull.
Soil aerators are tools or machines used to improve soil structure by creating openings in the soil, allowing air, water, and nutrients to reach plant roots more effectively. Soil aeration reduces compaction and promotes healthier root growth, especially in lawns, gardens, agricultural fields, and sports turf.
A lined valve is an industrial valve that has its internal wetted surfaces (and sometimes external surfaces) covered with a protective lining made from corrosion-resistant materials. The lining isolates the valve body from the process fluid, improving durability when handling aggressive, corrosive, or high-purity media.
