The hole in the metal plate can be obtained without drill: it is enough to bend it and work a round file or a needle file. This technique is especially useful when you want an oval hole. It is applicable for punching a rectangular window or a narrow slit: in this case, use is not round, but flat needle file or hacksaw.
Recommend to read
“DRAGONFLY”-WINNER
Analysis of the number of participants in youth competitions of aeromodellers in the expense of building a traditional school clearly indicates a much higher availability of gliders...
FOR BUSINESS AND FUN
To transport various cargoes to their farm of Simonov from the village of Podsosenki Saratov region made the tractor chassis. The engine capacity of 40 HP with gearbox's used car...
