★ ★ triangle valve: is the opening and closing valve of the faucet, which is equivalent to the light switch. There are many beautiful and stylish styles, and the switches are also twisted, flipped, pressed, etc. The conventional 4/4 angle valve. But sometimes also need 3/4 triangle valve, namely the import is 4 minutes, comes out is 3 minutes, the 3/4 minute angle valve mostly uses the original import leading. 2 kitchen sinks, one each for hot and cold water; 2 water heaters, hot and cold; 2 washbasins, hot and cold; MT1, sometimes a corner valve will be presented when you buy MT, but the quality is usually poor;
★ ★ ball valve: the valve of the pipeline, both ends of the pipeline, the role of the mechanism with the role of the triangle valve is almost equivalent to the electric gate. Used for overhaul, or closed to prevent leakage when leaving home or more days. Water and gas do not have to turn through the valve, and this valve does not have to be connected to the faucet. See map 22 floor
★★ Check valve: The valve used at the flue mouth is used to prevent the smoke in the flue from retrograde to the kitchen of your home through the flue of the exhaust hood. (When the general exclusion does not work, it can't stop the neighbor's fumes from spreading through the flue mouth to their own room, if neighbors make stinky tofu...).
★★ Switch: There is only one line for normal phone or network access. If you want to install two or more phones (but do not want to use the camera), or if you have two or more computers that need to use the network at the same time, you need to install the phone. Switch/network switch to split a line into several lines. The installation of the switch belongs to the laying of weak electricity, and it is best to lay it along with other hydropower. It is common to drag one or four to eight, that is, one line is converted into four or eight.
★ ★ HUB: The role and installation methods are basically the same with the network switch, the function is slightly worse than the switch, the price is much cheaper stuff. The other machines in the home want to go online and the computer that needs to be the host computer is turned on. The switch does not have this problem. Any computer can access the Internet independently. If there are no more than three computers in the home, HUB is enough. Simply put, if you have money, use a switch and you have no money for HUB.
★★ X-position X-core telephone socket: The number is the number of jacks, the core refers to the line that you purchased is a few core lines. The general telephone line is to buy the two-core line, but there are also four-core phone lines, with the purpose of the four-core is afraid that two cores out of the question, you can use another two cores instead, equivalent to double insurance. Therefore, using a telephone line is better when using a telephone line because the cable is eight-core. Even if the four cores are in error, there are four cores there.
★ ★ Router: Network switch.
★ ★ TV three distribution: TV distributor, is the distribution of the cable into a number of branch cable accessories.
★★ Smart Wiring Box/Intelligent Information Terminal: The meaning of the two is the same. The wired distributor, computer HUB, telephone module in a box, all advanced into the advanced box, and then divided into the corresponding parts of each room. Usually installed in the door.
★ ★ S bend: also known as S bend downpipe, the downpipe connected below the basin or sink, usually made into a sleeping S type, there will be some water left in each time when the water is put in, prevent the sewer Odors and bacteria come out along the pipe. There are also anti-SARS effects.
★ ★ Elbow: Water pipe or line pipe in a place where you need to bend, with a 90-degree curved tube connected, this tube is the elbow. Of course, some water pipes and line pipes themselves have some bendability, but the large bend will reduce their strength and toughness, so choose an elbow. But pay attention to the sealing of the connection.
★ ★ 45' with elbow: a kind of elbow, plumbing fittings.
★ ★ floor drain: kitchen, balcony, bathroom floor hole, connected to the water pipe, can drain the water on the ground. The word ground drain also refers to metal parts that are leaking from the ground: one is an ordinary hollow pattern, and the water flow is fast but not easy to clean. Another kind of deodorant floor drain can prevent odors and germs from being transmitted from the sewer pipe, but the water is very slow and the price is much more expensive.
★★ Plugging/stuffing: The two are one meaning, that is, when the water pipe is installed, when the faucet is not installed, a small white plastic block is temporarily blocked at the outlet. To avoid cement and other debris falling into the water channel.
TV sink switch door price room socket cement kitchen sink bathroom door bathroom leak
This micropipette enables true one-handed operation without changing the holding position: adjust volume, Pipette, remove tip.
Regardless of the volume, you can use your pipettes for ergonomic and efficient operation. The operation force is small and the stroke is short, which can easily handle long-term continuous pipetting operations. It is designed with perfect ergonomics for a comfortable grip in any hand position, right or left, large or small.
Even when wearing gloves, the range lock can be easily operated to lock the set range and prevent accidental adjustment errors. For a quick calibration experience, easy-to-calibrate technology makes calibration a snap. Calibration can be done without auxiliary tools. Compatibility tables describe how tips fit into pipettes, making it easy to find the right tip.
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