In the use of lawn mowers, there are certain rules of operation, all to ensure the safety of operators and the maintenance of the machines. It is hoped that the operators must operate and implement in accordance with the following provisions. First of all, there is a preparatory work before using the mower. The specific preparations are as follows: 1. Thoroughly inspect the lawn to be trimmed. Pick up stones, branches, wires, bones, and other foreign objects. Because they can be thrown by the blade of a lawn mower and cause serious personal injury to the operator or others who are allowed to stay on the scene. Operators should also plan a pruning route to prevent grass clippings from being discharged to roads, sidewalks, bystanders, etc. 2. Wear goggles or a protective mask when operating the lawn mower, or during machine commissioning and overhaul, to prevent foreign matter thrown by the mower from hitting the eyes. 3, work should wear rugged solid work boots and tight long-sleeved overalls. Do not wear loose clothing or jewellery to avoid being entangled in the mower running parts. Do not beat barefoot, sandals or light travel shoes to operate the machine. Then, for the operator, there must be some safety precautions during the use of the mower, as follows: 1, hands and feet should be away from the rotating parts, do not stand in the direction of the row of grass mouth, to avoid damage by the blade hitting foreign objects. 2. Some of the mower accidents were caused by the operator holding the handrail of the mower and causing the mower to press on the worker's foot when it fell. Therefore, keep in mind that you should immediately release the mower handrail when you fall. 3. Do not operate the mower after drinking. 4. Can't hang self-propelled clutch before starting gasoline engine. 5. The blade control handle is one of the most important safety measures. It is not allowed to cancel this function when operating the mower. 6, can not use the lawn mower on a damp grass, slippery grass can easily cause harm to the people, if the operator slipped, should immediately release the handrail. 7. Pay attention to using lawn mowers in well-lit places. 8, in the mowing process, if the lawn mower through gravel roads, sidewalks or roads, should stop the blade rotation, to prevent gravel out of wounding. 9. The abnormal vibration of the mower is often a sign of an accident. At this time, the machine should be shut down for inspection. 10. When the collection bag is removed or grass is discharged from the row of grass, the blade must be completely stopped. Of course, these are not only the precautions for using a green lawn mower. They should be taken care of when using any lawn mower to ensure the safety of personnel and normal use of the machine.
Vitamins:
Vitamin A:
Retinol. Carotene compounds responsible for transmitting light sensation in the
retina of the eye. Deficiency leads to night blindness.
Beta carotene: An
antioxidant which protects cells against oxidation damage that can lead to cancer.
Beta carotene is converted, as needed, to vitamin A. Food sources of beta
carotene include vegetables such as carrots, sweet potatoes, spinach and other
leafy green vegetables; and fruit such as cantaloupes and apricots. Excessive
carotene in the diet can temporarily yellow the skin, a condition called
carotenemia, commonly seen in infants fed largely mushed carrots.
Vitamin B1:
Thiamin, acts as a coenzyme in body metabolism. Deficiency leads to beriberi, a
disease of the heart and nervous system.
Vitamin B2:
Riboflavin, essential for the reactions of coenzymes. Deficiency causes
inflammation of the lining of the mouth and skin.
Vitamin B3:
Niacin, an essential part of coenzymes of body metabolism. Deficiency causes
inflammation of the skin, vagina, rectum and mouth, as well as mental slowing.
Vitamin B6:
Pyridoxine, a cofactor for enzymes. Deficiency leads to inflammation of the
skin and mouth, nausea, vomiting, dizziness , weakness and anemia.
Folate (folic
acid): Folic acid is an important factor in nucleic acid synthesis (the genetic
material). Folate deficiency leads to megaloblastic anemia.
Vitamin B12: An
essential factor in nucleic acid synthesis (the genetic material of all cells).
Deficiency leads to megaloblastic anemia, as can be seen in pernicious anemia.
Vitamin C:
Ascorbic acid, important in the synthesis of collagen, the framework protein
for tissues of the body. Deficiency leads to scurvy, characterized by fragile
capillaries, poor wound healing, and bone deformity in children.
Vitamin D: A
steroid vitamin which promotes absorption and metabolism of calcium and
phosphorus. Under normal conditions of sunlight exposure, no dietary
supplementation is necessary because sunlight promotes adequate vitamin D
synthesis in the skin. Deficiency can lead to osteomalacia in adults and bone
deformity (rickets) in children.
Vitamin E:
Deficiency can lead to anemia.
Vitamin K: An
essential factor in the formation of blood clotting factors. Deficiency can
lead to abnormal bleeding.
Nutritions:
For the treatment
of nutritional disease, any of the nutrient-related diseases and conditions
that cause illness in humans. They may include deficiencies or excesses in the
diet, obesity and eating disorders, and chronic diseases such as cardiovascular
disease, hypertension, cancer, and diabetes mellitus. Nutritional diseases also
include developmental abnormalities that can be prevented by diet, hereditary
metabolic disorders that respond to dietary treatment, the interaction of foods
and nutrients with drugs, food allergies and intolerances, and potential
hazards in the food supply. All of these categories are described in this
article. For a discussion of essential nutrients, dietary recommendations, and
human nutritional needs and concerns throughout the life cycle, see nutrition,
human.
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