Hands of engineer drawing by pencil.
Palabras clave
engineering,
engineer,
training,
paper,
specialty,
distance,
cold,
statistic,
photo,
technical,
mathematic,
sketching,
tool,
business,
plan,
geometry,
sum,
laboratory,
count,
finger,
circle,
mechanical,
scheme,
drawing,
compass,
buttons,
measurement,
scientific,
of,
complex,
design,
science,
blue,
crayons,
calculating machine,
clever,
work,
instrument,
figure,
image,
toned,
hand,
metal
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