The Best Natural Antihistamines to Fight Allergic Reactions By Jenny Hills, Medical Writer and Researcher Food & Nutrition, Health Millions of people worldwide suffer from allergies and if you are one of them, you know what itâs like to suffer.
A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axesâlike an upside-down mouse with an exposed protruding ball. The user rolls the ball to position the on-screen pointer, using their thumb, fingers, or commonly the palm of the hand while using the fingertips to press the mouse buttons. Compared with a mouse, a trackball has no limits on effective travel; at times, a mouse can reach an edge of its working ...
This article is about track and field shoes. For train track spikes, see rail spike. Track spikes, or just spikes, are pointed protrusions usually made of metal, ceramic or plastic that are screwed into the bottom of most track and field shoes to increase traction and minimize the likelihood of slipping. The term spikes can also refer to track shoes featuring such protrusions.