telescopic steel support bars acrow props supporting the ceiling on the construction site
Palabras clave
prop,
scaffolding,
support,
tube,
nut,
handle,
formwork,
bracket,
installation,
construction site,
siting,
engineer,
construction worker,
work,
construction industry,
building site,
safety,
employer,
construction equipment,
building,
construction,
industry,
steel
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