Machine-building drawings on a black background
Palabras clave
abstract,
background,
blueprint,
cad,
chalk,
blackboard,
concept,
connection,
construct,
construction,
design,
designer,
desktop,
display,
draft,
draw,
drawing,
education,
element,
engineer,
engineering,
equipment,
graphic,
idea,
illustration,
industry,
mechanical,
paper,
pattern,
plan,
project,
projection,
ruler,
schematic,
scheme,
school,
screw,
shape,
vignetting,
steel,
structure,
studies,
symbol,
technical,
technology,
texture,
tool,
vector,
wallpaper,
black
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