FARM WATER SUPPLY AND SEWAGE DISPOSAL 359 



330. Pipe Wrenches. The Trimo and Stillson wrenches 

 are the two types of wrenches in most common use. At least 

 two sizes of wrenches should be provided one for small pipes 

 and fittings and one for larger sizes. For extremely large 



FIG. 347. Pipe wrench. 



pipe, chain tongs are usually used. (See Fig. 347 for picture 

 of pipe wrenches. Fig. 347-a shows many of these tools in a 

 group.) 



Pipe Cutter 



FIG. 347-a. Several common plumbing tools. 



331. Reamers. The reamer is used to remove the burr 

 formed on the inside of pipe by cutting the pipe. A reamer 

 fitted in a hand wheel is quite satisfactory. A one-half round 

 or a round file can be used. 



332. Rule. A folding rule should be provided. For a 

 neat job of pipefitting, careful measuring is necessary. 



