Potain Tower Crane--MC480

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Q: what kind of material is used in making of crane and what is the making process of crane.: There are so many kinds of cranes that you need to pick one to get any kind of good answer - the tall T shaped cranes are simply welded up from tubing and barstock into modular sections that will fit on a semi trailer and be hauled to the site. Their structure shows in the photos. A boom crane with telescoping boom has to be made up of welded tube sections with bearings and hydraulic pistons inside and out. And of course, the base of a moveable crane adds a whole series of complications.

Q: How about the installation and disassembly of the tower cranes?: Authorized by the national security inspection department, the local special operations training school or the technical quality supervision bureau, after the study, assessment, qualification and graduation permit, will give you special operations installation, removal operation certificate.

Q: job description of crane operator and truck driver?: heavy equipment operator

Q: What kind of equipment must be installed on luffing trolley of horizontal luffing tower crane?: The car must have a support wheel to prevent the trolley from hanging in the middle.

Q: I have always wondered how they get cranes off the top of huge buildings when they finish building them.I have had many people tell me how they THINK the cranes are taken off. But I want to know for sure. Can anyone give me some evidence? A web site or something??When I say big building I mean like 100 storeys.I have been told things ranging from a helicopter takes them offToThey build tracks down the side of the building and drive it downAndThey pull it to pieces and take it down the elevator.These MAY be real but sound like wild guesses to me.So does anyone know the answer?: Large okorder .

Q: how do they take crane off top of building?: Depends on the building. Either a taller crane is brought in to lift them, or they're lifted by helicopter. And sometimes a building effectively builds itself, and the crane moves up with the construction platform after being constructed at ground level. Will still need a helicopter to remove it of course.

Q: Under what circumstances are winches used and under what circumstances tower cranes are used?: Construction technology is not too complex, and components can be zero, the use of winches (such as brick structure). Large components can not be separated, the use of tower cranes (such as cement cast-in-place shear wall structure must use large-scale steel mold).

Q: why are siberian cranes endangered?: The traditional migratory and wintering habitats of this species are under constant pressure from the demands of the growing human population. These include: agricultural development, wetland drainage, oil exploration, hunting, and water development projects. The western population is primarily threatened by hunting whereas the eastern population is at risk from loss of wetland habitat.

Q: Does a crane have a pulley?AND....Is an axe a wedge?THANX CUZ I DONT KNOW WHAT IM DOING, AND OMG IM SO GOING TO FAIL MY TEST BECAUSE IM SO DUMB.: Of course cranes have pulleys. If you know how they work it should be clear. Why else do you think there are two, or more (depending on the crane), ropes attached to their hook. Every rope added, except for the first, halves the weight of the object you want to lift. If you have two ropes and an object is 5 tones, the crane will only need the power to lift 2,5 tonnes. If it has six ropes it even only need the power to lift one tonne. And an axe is a wedge, logically. In fact, every tool with a blade is more or less a wedge. After all the wedge is the principal of a blade's function.

Q: I'm not afraid of snakes, mice, spiders, or any insect, for that matter. Except crane flies. I'm not even afraid of mosquitoes! However, I've been afraid of crane flies since I was six. I live in Louisiana and The crane flies came today, exactly on the same day they came last year. I don't care about them outside but I freak out when they're inside- especially in my bedroom, the bathroom, and the living room. What can I do to a) protect my house from them and b) not be afraid of them? I'm 14 by the way.: Your fear is a bit of a mental conditioning, like brainwashing yourself into fearing them. Sure, they can be a bit pesty, especially buzzing around your face, but they are totally harmless. They are much like butterflies at night. Instead of practicing being afraid of them, try catching them. As a kid I would play with them. We called them mosquito hawks because they look like giant mosquitoes. (but they don't bite and don't eat mosquitoes) I used to sit on the porch and watch the sun set. I had a beautiful orb weaver that would come out from the porch light and make one of those fancy webs.(I loved watching that). then the crane flies show up. when a persistent one would buzz my face, I would catch it and toss it into the spiders web. Just try catching one, and maybe look at it, play with it for a while, and/or toss it outside. learn how to control your fear, rather than let it control you.

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