One way that consumers and workers are informed of the risks is by use of material safety data sheets. A material safety data sheet (or MSDS) is a document that provides workers with procedures for safely handling or working with a particular substance. It includes technical information like boiling points, toxicities, reactivities, and various numbers.
Symptoms of Neck Pain. Soreness, Headache, and Stiffness Are Common Neck Pain Symptoms. To get the best treatment for your neck pain, it's important to recognize and understand the symptomsâand what they mean. Your symptoms are a clue to the underlying spinal condition causing your neck pain. When describing your symptoms to your doctor, be as accurate as possible.
A. Newly Appearing Headache in the Back of the Head. Newly appearing pain in the back of the head, lasting from minutes to weeks, can result from: 1. Injury of the NECK MUSCLES, like strained or torn muscle tendon (like in whiplash).Symptoms: 1  Pain in the shoulder(s), upper back, neck or back of the head, aggravated by turning the head. 2  Tender spots in the neck.ymptoms: 1  Usually one-sided pain, tingling or numbness in the neck and back of the head, worse in certain body positions, like sitting or lying. 2  If the spinal nerves at C4 or lower level is affected, the same symptoms may appear in the shoulder or arm on the same side.