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The new Air Daddy makes it simple to inflate balls, air mattresses, swimming aids and other recreational equipment. Attach the threaded end to a portable air compressor, gas station hose or bicycle pump and the Air Daddy becomes a high-pressure air pump. Included are two adapters that are designed for small and large inflation holes. The ergonomic design makes it easy to grip in the palm of the hand. Sized to fit easily in small medical and lab equipment, fuel cells, and mass spectrometers, the tiny Model P5H7 scroll pump delivers up to 10 psi and has a no-load flow of 0.14 cfm. Quiet and inherently vibration-free, it is available in aluminum or economical injection-molded plastic. Pump can be adapted for liquids and is suitable for use in disposable applications. The Vilter Mini-Screw (VSM) is a rotary, positive-displacement compressor that incorporates a main screw and two gate rotors. The compact design has no external tubing, no gearbox, and an optional oil pump. In addition, the VSM is quieter than twin-screw compressors. Champion offers the HGR6-3K reciprocating air compressor model in the R Series line. This engine driven, splash-lubricated compressor is a two-stage pump. The unit has been engineered with an integral cylinder head, which does not require head gaskets. This design eliminates the possibility of blown head gaskets. A 0.5-hp scroll compressor/vacuum pump is an oil-free unit that provides less than 1 Torr of vacuum or 20 psig of compressed air on ventilators, aspirators, oxygen concentrators, and blood-pressure monitors. The scroll design offers smooth, pulse-free operation, and with only one moving part, scroll machines usually last the lifetime of the equipment in which they are integrated. Single-stage compressor/vacuum pumps can be used in laboratories, electronics-manufacturing applications, and in the energy industry for fuel cells and microturbines. Used as a vacuum source, the 0.5-hp unit provides < 1 Torr ultimate vacuum with a pumping speed of 3.5 cfm. In compressor mode, the unit provides 3 cfm at 20 psig, with max open flow of 3.5 cfm. A four-pole ac motor powers the compressor/vacuum pump.

It would be wrong to suggest that only men seethe at golf-trip partners. Women also fall prey, and it usually strikes in the Venetian breadbasket: conversation. Neatness and order are also big. Jennifer Munro, her friend Joy and two other South Carolina women are on a trip to Florida. Joy has chosen to ride only with Jennifer for a very specific reason: The other two women leave golf balls loose in the glove boxes of their carts, the balls roll around and make noise as the carts move, and Joy can''t stand it. But Jennifer is no picnic, either. She''s a decent golfer and tries to help Joy feel better. One day Jennifer''s chatting begins to sound like those golf balls. "As usual, I was trying to cheer her up after a few bad shots and said something about her swing as we drove along," says Jennifer. Joy stopped the cart.

The operation of an EAF is a batch process in which steel scrap, pig iron, a source of iron oxide such as roll scale or iron ore, and limestone or burnt lime are charged into the furnace. The roof is closed over the furnace and electrodes are lowered until arcs are established between them and the metallic charge. The heat generated by the arc and the heat developed from the resistance to the flow of current in the metal melts the charge. When the heat (meaning the metal in the furnace) is finished, the furnace is tilted and poured into a tap ladle through a tap hole or spout in the furnace side wall. After each heat, repairs to the bottom and slag line are made by shoveling in a refractory bottom patching material.