Mechanically, equipments are required to design the machines. A machine is a tool, which is used to operate any task, whereas equipment is a set of tools necessary for a particular purpose.
The word ‘machine’ is derived from the Latin word ‘machina'. The modern meaning of the word is influenced due its specialized application in the military siege engines. They are also used in the stage engines, which are used in theater.
Ophthalmology is the study of medical conditions relating to the eye. Ophthalmologists are doctors who specialize in the medical and surgical treatment of this organ.
A general practice doctor may refer someone to an ophthalmologist if they show symptoms of cataracts, eye infections, optic nerve problems, or other eye conditions.
In this article, we look at what ophthalmologists do, including the types of conditions that they treat, the procedures they perform, and when a person might see this specialist.
Liquids, lozenges, cough drops, vapourisers and steamy showers may help to soothe a cough. Cough medicine may also help, but it's best to check with a doctor before administering to a child under six.
SEEKING MEDICAL CARE
See a doctor immediately if you:
Are choking and can't speak
Have difficulty breathing
Find it hard to swallow
Notice blood in your phlegm
Have persistent night sweats, fever and weight loss
Make an appointment to see a doctor if you:
Develop a fever of 38°C or higher
Cough up phlegm that's yellow or green
Start wheezing
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Nairobi, Kenya
