Operai al lavoro: sollevamento e posizionamento di materiali con gru al cantiere
Schlüsselwörter
crane,
loading,
lifting,
security,
harness,
building site,
helmet,
blouse,
building,
transport,
assemblage,
building,
metal,
structure,
platform,
precision,
thong,
suspension,
building,
material,
operator,
protection,
drained,
assembling,
weight,
coordination,
rig,
workteam,
labor,
steadiness,
supervision,
attention,
crane operator,
range,
working man,
handling,
ballast,
rope,
winch,
hoisting
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