Rickets is a condition that results in weak or soft bones in children. Symptoms include bowed legs, stunted growth, bone pain, large forehead, and trouble sleeping. Complications may include bone fractures, muscle spasms, an abnormally curved spine, or intellectual disability.. The most common cause of rickets is a vitamin D deficiency. This can result from eating a diet without enough vitamin ...A screw drive is a system used to turn a screw. At a minimum, it is a set of shaped cavities and protrusions on the screw head that allows torque to be applied to it. Usually, it also involves a mating tool, such as a screwdriver, that is used to turn it.The following heads are categorized based on frequency, with some of the lesscommon drives being classified as tamperresistant.
Best representation descriptions:
Related searches: