mlscellajSteous tools axd jiethod.s of AVOKK 33 



it has become even with the surface, as this produces a 

 depression and ruins any fine surface. 



If it is desirable to sink the nail head below the surface, 

 a nail punch, or set, is used. This is always necessary 

 when the sxu-face is to be planed after the nailing. 



19. The Mallet. The mallet might be described as a 

 hammer with a wooden head, and is used whenever we 

 wish to deUver a blow which shall be 

 less concentrated than that of the 



Fig. 45. The Mallet 



hammer. It is used in certain kinds 

 of heavy chiseling, such as house 

 framing, and gives a blow which does not shatter the 

 tool handle as a hammer would. 



The use of the mallet is well illustrated hj the mak- 

 ing of a mortise-and-tenon joint, the chisel and mallet 

 being used to cut the opening known as the mortise, as 

 shown in Fig. 46. 



20. Screw-Driver. The screw-driver is perhaps the 

 most common of household tools, and is probably abused 

 more than any other. The handle is usually flattened 

 so that the hand may grip it more tightly, but occasion- 

 ally a round or fluted handle is seen. 



