Q:More than meters of tower cranes must be equipped with red barrier lights at the top

To see the land of tower crane or floating crane... Basically,

Q:More specifically, do Sandhill Cranes eat squirrels?

No. Dont have the mouth for it.

Q:How to improve tower crane industry in china?

Powerful okorder ) manufacturing standards according to the rules of tower crane industry market economy. ?? Manufacturing industry is a huge system, the formation of a broad face, not one or two companies can do a good job. Powerful alliances to promote the group is a good idea, but it can not Arbitrarily arranged association, we must do things according to the market economy laws. A lot of problems are not necessarily be resolved by the professional industry, you can use the cross-industry solution.

Q:crane:300t lift 100t pad sizes:4.5x2 mtrs.ground bearing capacity required?

This depends on the angle of the lift and the distance away from centre of the crane. With the lift at tipping range all 400t will be distributed along the outer half of the pad or on the extreme legs. Rule of thumb is all the load is placed under the one pad. so one pad is 9 sq metres and the load is 400 tonnes so the bearing capacity must exceeds 400/9 tonnes per square metre. 44.44444t/m^2

Q:Tower crane body standard section connection bolt screw upward or downward, why?.

A few days ago, a special training course of mechanical equipment, a safety supervision station old experts say the screw from the upward wear, stress is the same, but if the nut screw will fall off, in order to find problems. If you can't get it off the top and bottom nut, you won't find it

Q:I'd take Denny Crane he's ruthless

Denny Crane. If nothing else he has a heck of a lot of confidence in himself.

Q:the highest ranking American serviceman, at least in the so called prison camp

no, he was brutally murdered

Q:What is tower crane? What are the types and features?

[definitions]Tower crane (tower crane) is called tower crane, also known as tower crane, originated in Western europe. A revolving crane mounted on top of a tall tower. The working space is large, mainly used for the vertical and horizontal transportation of materials and the installation of building components during the building construction. It consists of three parts: metal structure, working mechanism and electrical system. The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking. The electrical system consists of motors, controllers, power distribution cabinets, connecting lines, signals and lighting devices, etc..

Q:I need the answer badly

The world would be a little less beautiful. The blue crane's role as a predator in its ecosystem would be left empty, allowing its former prey to breed without check until (hopefully) another predator moves in to pick up the slack. Otherwise the ecosystem will be out of balance.

Q:Why are crane flies called mosquito eaters?

Mosquito Eaters