However, despite the heavy fragmentation, Mohist diligence and attention to details which set Mo Jing apart from other works ensured that the highly descriptive details of the workings of mechanical devices like Cloud Ladders, Rotating Arcuballistas and Levered Catapults, records of siege techniques and usage of siege weaponry can still be found today.

In other systems, people for a Rotating Savings and Credit Association or ROSCA to purchase costly material together ( such as Tontines and Susu accounts ).

* Crop rotation: Rotating crops with ones that kill weeds by choking them out, such as hemp, Mucuna pruriens, and other crops, can be a very effective method of weed control.

Rotating the blade on the strop about the cutting edge can damage it because such use will impact the micro-alignment of the edge.

Some sculptures such as the large " Rotating Fish Motiff Panels " were designed to be moveable so as to allow the park user to manipulate the sculptures to a desired composition.

Rotating diffusers — which destroys the spatial coherence of the laser light — can also be used to reduce the speckle.

Rotating molds are used and the molten material is added and shaped by centrifugal forces.

* Rotating computer memories are no longer used.

It is the shape of the parabolic reflectors used in mirrors, antenna dishes, and the like ; and is also the shape of the surface of a rotating liquid, a principle used in liquid mirror telescopes and in making solid telescope mirrors ( see Rotating furnace ).

Rotating a table with a curved track segment in a Y junction is the less used third option.

Rotating cylinders containing the green beans and hot combustion gases are used in most roasting plants.

Rotating magnetic fields are also used in induction motors.

Meanwhile, " March of the Swivelheads ," an instrumental version of the Beat's song " Rotating Head ," was used in the climactic chase scene of 1986's Ferris Bueller's Day Off ; the band was listed in the end credits as " The ( English ) Beat.

* Rotating tank, used for fluid mechanics experiments

Rotating tethers can also be used to slow down incoming spacecraft, thus increasing the rotational momentum.

A new treadle and case design consisting of a rather large and industrial-looking chrome-plated housing and rubber-covered treadle was used universally throughout the entire Morley line, which included volume pedals, wah pedals, a Rotating Sound pedal ( the original " Morley "), and a pedal version of their echo device dubbed the Morley EVO-1.

Rotating bookmarks were a special kind of bookmark used in medieval Europe.

* Rotating Service Structure, part of the Space Shuttle launch tower

Rotating frames and fictitious forces can often reduce the description of motion in two dimensions to a simpler description in one dimension ( corresponding to a co-rotating frame ).

Rotating officers also promotes cross-training in a wider variety of skills, and serves to prevent " cliques " that can contribute to corruption or other unethical behavior.

Maharishi University of Management has a program known as the " Rotating University ", in which students can take courses of study abroad, usually of 4 – 6 weeks duration, in the one-course-at-a-time format.

Rotating fan blades, particularly aluminum ones, can also demonstrate the effect ; as the fan accelerates or decelerates, the colors appear, drift, change and disappear.

Rotating objects can appear stationary under strobe light, also they can appear to be counter-rotating.

* Rotating electrode: can the instrument operate a rotating electrode.

Rotating the rods relative to each other results in many possibilities including a dynamically variable field and various dipolar configurations.

Some fan-favorite and recurring games included Log Drop, Wall Bangers, Dope on a Rope, Rotating Surfboard of Death, and Sinkers and Floaters, amongst many others.

Occurrence of tension in the string is indicative of absolute rotation ; see Rotating spheres.

Rotating the driving member the other way makes the spring wrap itself tightly around the driving surface and the clutch locks up.

The following example shows the structure of the animation file Rotating earth ( large ). gif shown ( as a thumbnail ) at the top of the article.

Rotating a vector through an angle of θ corresponds to, so that the corresponding action on spinors is via.

Rotating magnetic fields are utilized in both electric motors and generators.

Rotating wall clouds are the visual manifestation of a mesocyclone.

Rotating crops adds nutrients to the soil.

Rotating a handle on the side of the reel rotates the spool which retrieves the line, usually at a 1: 1 ratio ( i. e., one complete revolution of the handle equals one revolution of the spool ).

** Rotating variables, stars whose variability is caused by phenomena related to their rotation.

Rotating government officials to different positions and geographic areas may help prevent this ; for instance certain high rank officials in French government services ( e. g. treasurer-paymasters general ) must rotate every few years.

Rotating as Hercules ' other regular companion, particularly in earlier seasons, is Salmoneus ( Robert Trebor ), a wheeler-dealer ever looking to make a quick dinar.

* Pierce and Tear Rotating blades pierce the paper and then tear it apart.

** 412. 21 Rotating aerophones.

While the engine repairs were underway, a severe storm caused contamination of the mission's primary cargo, the first Tracking and Data Relay Satellite, TDRS-1, while it was in the Payload Change-out Room on the Rotating Service Structure at the launch pad.

As the family leaves to ride the Madly Rotating Buccaneer, Chuckie turns towards the screen and grins, voodoo magic playing over his eyes.