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Anonymous users2024-01-23Analysis: (1) Call sells sofas.
2) Each piece is approximately rectangular, found separately, and finally summed.
3) Margin: 15%.
It should be calculated according to the actual power of the lamp, if it is 100W, it will be one kilowatt-hour of electricity for ten hours. If it is 200W, it will be one kilowatt-hour for five hours. In other words, divide 1000 by the power number and the time taken.
This should be a fabric sofa, fabric sofa is the new favorite of modern young people's living room, although it can be dismantled and washed, but sometimes it is only a little stained, and it is indeed a bit troublesome to remove and wash the whole sofa, and it is also a kind of damage to the sofa when it is always dismantled and washed. >>>More
It is understood that mercury is the only metal in a liquid state at room temperature, and once the supplies containing it are broken, the mercury will evaporate. Moreover, it has particularly good adsorption. Mercury vapor is easily adsorbed by walls and clothing, and becomes a source of continuous air pollution. >>>More
Four inches. It's too big, is it a full flat shed or a side shed, a 40--50CM side shed, we are all installing a 2-inch downlight, a 3-5 watt, you have 8 downlights x12W 96W kilowatts per hour for one kilowatt, basically about ten hours of electricity.
Go to the Environmental Protection Bureau, register, fill out the EIA registration form, and entrust the EIA agency to conduct the EIA. Obtain a certificate of conformity.