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The cast, or pour, method is one in which the area is made completely watertight by use of forms (i.e. ladle walls and floor). The mix would contain more water than a trowel application mix. A cast refractory should be thoroughly worked into place, with internal air bubbles removed by rodding or vibrating. The best method is to use vibratory equipment, since it encourages the material to flow freely and completely fills the form or box. Vibrating also permits working with a stiffer mix (less water). However, hand rodding--with a shovel, rod, ice scraper or pole--will suffice if done thoroughly. Working out all the air strengthens the material and reduces porosity. The action of vibration or rodding sets the refractory particles in motion, reducing the friction between the particles and giving the mixture the texture of a thick fluid. Internal vibrating or rodding does the most consistent job, but external vibration is also effective. Although vibration equipment is available for refractories, it can often be improvised with equipment already on hand to vibrate the mass externally. An air hammer held against the form can do a good job in many cases. So may a nut runner or other pneumatic vibratory tool. Even hammering the form with a hand sledge will do if accompanied by hand rodding. In all cases, be sure the material is worked near the forms. That is where air bubbles collect.

The manufacturers listed here also have other models available in a range of sizes and styles. Visit their Web sites or a local dealer for more details.Farmers love their little rigsUtility tractors are a popular topic of conversation in the Machinery Talk discussion group at Agriculture Online[TM] (www.agriculture.com). One farmer says cost plays a part in deciding to go with a smaller tractor. Models this size run anywhere from $20,000 to $50,000, depending on the configuration and options."When people buy small tractors, they''re usually price-motivated," he says. "Massey Ferguson sells a lot of these tractors, and the reason is that the Perkins is a good motor and they''re affordable."A Canadian organic farmer tells the group he uses his Universal 640 TDC and Massey Ferguson 65 with a mower, PTO auger, three-point hitch, and forklift nearly every day. He spreads gravel, moves heavy items, plants trees, digs rocks in the field, and removes snow in the winter.

So in March 2000, Braswell founded PowerHouse Equipment, which he hopes will become "the leading national direct provider of compact hydraulic equipment."A multi-market opportunity for lawn/garden professionals?Braswell thinks so. He''s established dealerships in Sacramento, Dallas and Austin, Texas; Jacksonville and Orlando, Fla.; and Charlotte and Raleigh/Durham, N.C. In addition, he''s created satellite sales in eight other locations.Why? "Contractors'' employee time is extremely valuable," says Braswell. "Our equipment makes each worker much more efficient."What trends does Braswell see in OPE marketing?"In the last few years, we''ve seen lots of power equipment dealers concentrate on the professional customer rather than the consumer," Braswell says. "With that comes focus on a service department that offers really quick turn-around, so the busy landscaper avoids downtime. If a dealer sells to landscapers -- and italianscooters knows their needs -- he might sell similar products to tree professionals, irrigators, nursery people and fencers.