In the United States and Canada, an Electric Blanket is a blanket with an integrated electrical heating device usually placed above the top bed sheet. In the United Kingdom and Commonwealth, electric blanket commonly refers to an electric underblanket (electric mattress pad), which is placed below the bottom bed sheet. Electric blankets usually have a control unit which adjusts the amount of heat the blanket produces. Blankets for larger sized beds often have separate controls for each side of the bed. The electric blanket may be used to pre-heat the bed before use or to keep the occupant warm while in bed.
Some modern "low voltage" electric blankets (such as Car Blanket) have thin carbon fiber wires and work on 12 to 24 volts. These blankets are more comfortable and even safer than ordinary 110/240 volt blankets.
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Identification of old and new seeds of vegetables
Accurately identify new species and species, using one-see, two-sense, three-spot, and four-dip methods. White radish, celery, cabbage, rape, broccoli, greens, cabbage and other new seeds, the epidermis is smooth, shiny and shiny, more fresh, more sturdy seeds; grasping a seed smell, there is a fragrance smell. The cruciferous vegetable seeds are pressed heavily with the nails or placed on the tabletop. The back of the palm of the hand is pressed slightly and swaying a few times. The granules are difficult to break off, and the sticky and sticky hands are used, and the grains are greenish yellow or light yellow. Most of the new species; Chen seeds are dull surface, sometimes with "salt cream" on the epidermis, peeling off and smelling, with a slight oily taste, less oil, using nail pressure, cotyledons fragile Granules are easy to separate. It is also possible to use a hard object to press the pods. After the seed coats are peeled off, the inside is yellow or old yellow. The seeds of the coriander seeds are black or yellow, and the green and yellow are the new species. The seeds of the celery are the new species with strong aromatic taste. The aromatic flavor is odorless and the seeds are Chen; the eggplant, pepper, tomato and other solanaceous vegetable seeds The new species is generally milky yellow, shiny, and the Chen species is khaki or yellow; the new species of pepper is more spicy, the Chen species is mild and even has a musty; bean, green beans, kidney beans, peas and other legumes Vegetable seeds, new oil bright, full, rich in oil, aroma, mouth bite astringent taste, green cotyledons, Chen seeds bite no astringency, smell no aroma, cotyledons have deep yellow markings. Aphid and bean new species have no wormholes. Onion, leeks and other Liliaceae vegetable seeds, carefully observed with saliva wet, grain surface with a small white core for the new species, no white core for Chen species; cucumber, bitter gourd and other Cucurbitaceae vegetable seeds, new species of epidermis Glossy, creamy, rich in oil, astringent mouth bite, smell the smell, and Chen seeds are dark and dull epidermis, and sometimes there will be macular, chewing oil flavor. The vegetables are properly kept and can generally be planted within a certain period of time. Such as cabbage, radish, rape, cauliflower, etc. is valid for 2 years; cucumber, beans, pepper, tomato, wolfberry is valid for 3 years; eggplant, celery is valid for 5 years and 4 years. However, the seeds of carrots and leeks are not easy to emerge, and even if they grow, they are difficult to survive. Onions must also use new seeds. Scallions that grow out of the seeds of Chen are easily seeded, have low yield, and are of poor quality. When farmers use a large amount of Chen seeds, they should first do a germination test. A small amount of vegetables should be soaked in water for 8 hours to 10 hours, placed in a small container, and incubated at a room temperature of 20°C to 30°C in a moisturizing foot oxygen culture. The germination rate determines the seeding rate.