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Music video by Rihanna performing Take A Bow. YouTube view counts pre-VEVO: 66288884. (C) 2008 The Island Def Jam Music Group.
A substitute teacher from the inner city refuses to be messed with while taking attendance.
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Buy on iTunes: http://www.Smarturl.it/TTT Amazon: http://idj.to/svJVGM Music video by Rihanna performing Where Have You Been. ©: The Island Def Jam Music Group.
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An Epic Rap Battle to determine who is the more manly man. Get the Song on iTunes: http://bit.ly/ERBofManliness Check out the Behind the Scenes: http://youtu...
Slip sheets are thin pallet-sized sheets made of plastic, heavy laminated kraft paperboard, or corrugated fiberboard used in commercial shipping. Often, these replace the use of traditional wooden pallets. The unit load is usually stretch wrapped or shrink wrapped for stability.
The slip sheet is used as a unit load support device in vehicle delivery and transportation of products. When slip sheets are supported by a pallet board, roller conveyor surface, flat load carrying surface, or a cart or lift truck, the structural strength of the slip sheet supports the product load's weight. With the slip sheet supported by one of these transportation devices the unit load can easily be transported both internally within a facility and externally between two facility locations.
Slip sheet types 
There are several types of slip sheets that can be used for the transportation of a unit load depending upon the desired use of the sheet. The slip sheet is shaped and dimensioned to the size of the product or unit load. The type of slip sheet varies depending on both the number of lip extensions and the material from which it is manufactured.
The variation used would depend on the loading patterns, unit load parameters, and desired maneuverability of the slip sheet/unit load. Normally, the thickness of the slip sheet is less than 0.5 inches.
For most warehouses, plant functional material handling equipment, and the travel-path clearances, this fraction of an inch height increase does not stage a problem. When designing an in-house transportation path for the slip sheet unit load, the slip sheet has a four to six inch lip (tab) that extends beyond one or more of the sides of the slip sheet. The lip extensions permit a push-pull device to lift the slip sheet unit load.
Single lip 
The first type of slip sheet is the single lip (tab) slip sheet.
With a single lip, the lip faces the narrow part of the rectangular shaped unit load and the delivery truck door. This slip sheet variation maximizes the delivery truck’s space utilization and loading and unloading process productivity. Also, with a single lip, the travel path clearance is minimized as the lip facing the unit load carrier.
The second type of slip sheet is the multi-lip slip sheet. This type of slip sheet is generally used on a container placed onto a railroad car or an ocean delivery vehicle due to the necessary loading/unloading patterns. This allows a loading device to load the slip sheet unit load from one side and an unloading device to unload the load from another side depending on the number and pattern of the remaining lips.
Lip handling options 
During the transportation of a slip sheet, there are several options for handling the slip sheet’s lip.
- Leave the lip extended allowing for additional clearance for the travel path.
- Tape the lip against the unit load if additional push-pull activities are required.
- Cut the lip from the slip sheet if no additional push-pull activities are required.
Slip sheet materials 
The corrugated fiberboard consists of two kraft liner board outer surfaces with a corrugated interior that is bonded together with adhesive or glue. This bonded material provides the necessary strength for the push-pull device to clamp the slip sheet once or twice. There are several disadvantages associated with this type of slip sheet material including that it is not very durable, moisture resistant, resistant to high humidity or usable in cold storage areas. The advantages associated with this material are low cost, one-way use, and its ability to be moved by a conveyor or lift truck with a slip sheet device.
Fiberboard or solid kraftboard 
The fiberboard (thick paperboard) slip sheet consists of several layers of solid kraft paperboard sheets laminated together. The bonding of layers of several flat solid kraftboard sheets increases the slip sheet’s non-tear strength. This, in return, allows the slip sheet to be used several times and in different temperatures. In addition, some fiberboard slip sheets are protected by a plastic coating to improve its use in humid environments. The disadvantages to this type of slip sheet are that it has a medium cost and is not very durable. The advantages with this material are its multiple uses, ability to withstand humid and cold environments, and ability to be handled by conveyors, AGV, or other power unit load transportation devices.
The plastic slip sheet is made from recycled high density polyethylene or polypropylene materials. This type of material allows for greater non-tear strength and an increased number of uses in cold and humid environments. The only disadvantage to the plastic slip sheet is the high cost. Yet, its advantages include longer sheet life, durable lips, ability to be stored in cold or humid environments, and that it can be handled by a roller conveyor, slip sheet lift truck, AGV, or powered unit load transportation devices.
Slip sheet vs. pallet 
When considering the use of a slip sheet vs. a pallet, there are several advantages and disadvantages associated with both.
Slip sheet advantages 
- Using slip sheets instead of wooden pallets allows for 12–15% more products in material handling containers.
- Slip sheets do not require maintenance, but can easily be replaced.
- Significant reduction in material handling costs.
- Decreases loading/unloading time by up to 60%
- Weighs 1/20 as much as wooden pallets, reducing shipping costs.
- Can be customized to fit any size load.
- Eliminates the need for pallet exchange.
- Reusable and reliable.
- Most are recyclable.
- Is cost-effective.
- Unlike wooden pallets slip sheets are not subject to phytosanitary restrictions.
Slip sheet disadvantages 
- Pallets provide a greater clearance between the floor and the unit load, an advantage when loading extra cargo into a container, but they take up more space.
- Slip sheet usage requires special, relatively low-cost attachments on transportation devices such as a lift truck.
- When used alone, pallets provide more structural support than slip sheets.
- Pallets are easily compatible with cranes.
- Lift truck attachment reduces load capacity, except when 'Roller Forks' are used.
- Slower handling, except when 'Roller Forks' are used.
See also 
Further reading 
- Brody, A. L., and Marsh, K. S., Encyclopedia of Packaging Technology, John Wiley & Sons, 1997, ISBN 0-471-06397-5
- Fiedler, R. M, Distribution Packaging Technology, Institute of Packaging Professionals, 1995, OCLC 33164940
- McKinlay, A. H., Transport Packaging, 2nd ed., Institute of Packaging Professionals, 2004, OCLC 60361752
- MHIA/ANSI MH1–2005 Pallets, Slip Sheets, and Other Bases for Unit Loads