In the pre-planning stages, governments should already mobilize relief authorities and create safe havens for victims or displaced visitors to retreat to. They should also have rehabilitation plans ready at their disposal. Another important thing is to physical and mentally prepare the citizen concerning the shock that is included with disasters, coping with it, using effective thinking to keep themselves mobilized and staying safe, secure and motivated a direct consequence of the disaster. Disaster relief supplies are an integral part of this pre-planning. There are many organizations which manufactures these supplies; they must follow UNHCR specifications as well as follow international quality control and standards to be viable. Glasses, also known as eyeglasses or spectacles, are devices consisting of glass or hard plastic lenses mounted in a frame that holds them in front of a person's eyes, typically using a bridge over the nose and arms which rest over the ears. Glasses are typically used for vision correction, such as with reading glasses and glasses used for nearsightedness. Safety glasses provide eye protection against flying debris for construction workers or lab technicians; these glasses may have protection for the sides of the eyes as well as in the lenses. Some types of safety glasses are used to protect against visible and near-visible light or radiation. Glasses are worn for eye protection in some sports, such as squash. Glasses wearers may use a strap to prevent the glasses from falling off during movement or sports. Wearers of glasses that are used only part of the time may have the glasses attached to a cord that goes around their neck, to prevent the loss of the glasses. However, the good thing is that its possible to raise your libido and testosterone naturally without even thinking of something as drastic as hormone replacement therapy.