Box springs

Encase mattress, pillow, and box springs in an allergen-impermeable cover... 

Once you ve answered the mattress question, you ll still have to consider what lies beneath. Many box springs are made of hardwood, but some less expensive box springs are constructed of plywood or particleboard, both of which often... 

Futons are often much cheaper than organic mattresses and box springs. If you decide to get one, try to find a frame made from untreated, certified wood. They re often sold with untreated, organic cotton or wool mattresses, which might require a doctor s prescription. Some natural (nonorganic) futon mattresses are made from green cotton (which is environmentally friendly conventional cotton, harvested without the use of chemicals) and contain nontoxic borate powder as their flame retardant. This is obviously preferable to PBDE. Top-of-the-line organic crib mattresses are less expensive than adult ones. Expect to spend between 250 and 600. 

The Nursery 115 Sleeping Beds, Mattresses, and Box Springs 116 What Lies Beneath 119 Crib Safety Standards 120 Air Filters 121 Green House Effect 122 Transportation 123 Getting Dressed 126... 

Requirements and test procedure for resistance of a mattress/box spring set to a large open flame... 

ASTM F 1085 Standard Specification for Mattress and Box Springs for Use in Berths in Marine Vessels (Annexes A1 and A3)... 

CA TB 603, California Technical Bulletin 603, Requirements and Test Procedure for Resistance of a Mattress/Box Spring Set to a Large Open Flame, California Bureau of Home Furnishings and Thermal Insulation, North Highlands, CA. 

Ticking ti-kig [ tick] (1649) n. A durable, closely woven fabric used for covering box springs, mattresses, and pillows. Ticking may be woven in a plain, satin, or twill weave, usually with strong warp yarns and soft filling yarns. 

Berendsen, H.J.C., Postma, J.P.M., Van Gunsteren, W.F. Statistical mechanics and molecular dynamics The calculation of free energy, in Molecular Dynamics and Protein Structure, J. Hermans, ed.. Polycrystal Book Service, PO Box 27, Western Springs, 111., USA, (1985) 43-46. 

Electrochemical cells are assembled in the glove-box. The cell is a 2320-type coin cell (23 mm OD and 2.0 mm thickness) as schematically shown in Fig. 5. The cell includes the electrolyte, the cell cap and can which are stainless steel, a polypropylene gasket used to seal the cell, the two electrodes, the separator between the electrodes, as well as a stainless spacer and a mild steel disc spring which are used to increase the pressure on the electrodes. Once the cell is assembled in the right order, the cell is sealed by a pressure crimper inside the glove-box. 

Johnson and Johnson Pharmaceutical Research and Development, LLC, Welsh and McKean Roads, P.O. Box 776, spring House, PA 19477-0776. 

Bees, especially orchard mason bees, which are useful fruit tree pollinators, will colonize holes drilled in blocks of wood or paper drinking-straws stacked in a waterproof box, or you can buy special bee boxes. Mason bees emerge early, so the boxes need to be erected in early spring before the apple buds burst. 

Pressure and Traction Land Mine consisted of a wooden box, the lid of which was held in place against the internal fingers on the top by stout springs, one in each corner. A wooden block was secured by two bolts to the underside of the lid and served to operate the pull igniter by pressure exerted on the cover. It was filled with 2 lbs of cast PA or TNT (pp 217—18 ... 

Assistant Director, Research Chemistry, Smith Kline French Laboratories, 1500 Spring Garden Street, PO Box 7929, Philadelphia, PA 19101, USA... 

In the diagram shown above, if the box slides down the ramp and drops onto the left side of the lever, what will happen to the spring ... 

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