40 
ELEMENTARY AGRICULTURE 
naturally fall into place and form a rope. A good plan 
is to have two boys hold the board that was held by the 
one boy at the beginning of the work. The boy at the 
machine continues turning the cranks. The boy taking 
off the rope turns the entire rope gently to the left as the 
two boys move gently along toward the machine. An¬ 
other boy may hold the end of the rope to keep it off the 
ground and keep it from kinking. As soon as the rope 
Fig. 27.—Interior of a poultry house. Note the dropping board and nests. 
has been removed ilUlil the machine tie it at both ends. 
Fasten the end that was at the machine to the middle 
crank and hold the other end so it will be taut. Move 
the board that turned the three cranks and turn the 
crank by hand to the left. Tighten on the rope from 
time to time, this causes the plies to be wound tighter. 
Remove the rope from the machine and singe off the 
fiber that may be sticking out, and the rope is completed. 
Use of Concrete.—Foundations, floors, borders, walks, 
posts, water tanks, silos, feeding floors, and roads are 
