When the pencil lines of the drawing or drawing close to each other — the usual eraser, it is difficult to remove the erroneous one so as not to damage the adjacent correct. But this operation will be virtually the exact jewelry and if a thin slice of gum to hold in the “beak” of the spring: simple and convenient.
Recommend to read
FLIGHT ELECTROLET
Judging by the letters from our readers, the interest in the model aircraft with electric motor is not reduced. Comes a lot of questions about the challenges of producing interesting...
SCHOOL OF AIRCRAFT (PART 4)
AIRPLANE FOR TWO. Use of a low powered engine in a two-seater suggests several options of its aerodynamic layout. If not enough power, you can increase the load-bearing properties of the...
