Q:I loved Dr. Crane and his sexy glasses and eyes. Plus, I just love Cillian Murphy, haha. Is his character back in the Dark Knight, I heard he was...but I was wondering if anybody could confirm it?

Yes for a short time in the beggining of the movie for like 5 minutes.

Q:The rated lifting capacity of a tower crane refers to what is allowed and what is allowed to be divided by the crane

The total quality of the crane rated liftingweightincludes the lifting load and the hook and rope a simplified example, such as the rated lifting weight of 100 tons, the quality of the hook and spreader for 5 tons, the actual quality of the goods can lift 95 tons.

Q:how do they get cranes on top of building sites?

With anouther crane.

Q:What is the free height of a tower crane?

General small 40 tower, its free height is about 30 meters. The 63-80 tower is usually about 45 meters. The 125 tower is about 47-50 meters.

Q:I need to do a report about Stephen Crane, answering the question how did his life affect his how he wrote his books, does anyone know?

Crane is noted for his early employment of naturalism, a literary style in which characters face realistically portrayed and often bleak circumstances, but Crane emphasized impressionistic imagery and biblical symbolism rather than graphic realism. Crane's realism, writes William Peden, is often more impressionistic than photographic; his interest in psychological probing, his innovations in technique and style, and his use of imagery, paradox and symbolism give much of his best work a romantic rather than a naturalistic quality. Both realism and symbolism, the two major directions of modern fiction, have their American beginnings in Crane's work.

Q:How do they erect HUGE cranes without a crane?

They use Hydraulics. I don't know if you have any understanding of Fluid power but a hydraulics system can lift up to 400% of its weight multiplyed by its density. There are other factors to consider such as cylinder size, flow, and pressure but these are usualy constants. For example: If the hydraulic fluid used weighs 5 lbs. per gallon and its density is .9 gram per cubic centimeter then 1 gallon of this fluid could lift 53.1441 lbs. A jack system is hydraulic

Q:what are The performance parameters of tower cranes?

The technical performance of tower crane is expressed in a variety of parameters, the main parameters include the range, starting weight, lifting torque, free height, maximum heightand so on; its general parameters are: a variety of speed, structure, weight, size, tail size and gauge wheelbase, etc.

Q:we have a project starting that will require a stack built 1km high in the air?How will they install this?

use a heavy lift helicopter, these are especially designed for this work

Q:Yeah, I think I know what cranes are used for. But in the context of building an apartment and so on, what is the role derricks there. And why is called cranes and derricks - What is the correlation between them.

Cranes are used for lifting heavy equipment. Derricks are used to drill for oil. They are two different things.

Q:I was half way through this book and had to stop reading it because school got in the way. I'm back to reading it and I got to the part where Katniss made a noose and tied it around a dummy and showed it to the Gamemakers. And she wrote 'Seneca Crane'. I don't remember who that was. If it was even a person, I guess it was. But can you just explain who or what 'Seneca Crane' is and why Katniss would do that? Thanks.

I think it's one of the gamemakers, but that's just a guess.