two yellow building level in the laboratory
Palabras clave
accuracy,
alignment,
background,
balance,
bubble,
builder,
building,
carpenter,
center,
check,
construction,
contractor,
equality,
equipment,
flat,
glasses,
home,
horizontal,
house,
industrial,
industry,
inspection,
instrument,
laboratory,
level,
laboratory,
liquid,
measure,
measurement,
metal,
precision,
quality,
renovation,
ruler,
spirit,
surface,
symmetry,
tool,
tube,
water,
work,
men at work,
yellow
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