Construction worker standing in a floor and insulating walls. heat insulation
Schlüsselwörter
thermal,
construction,
men at work,
man,
insulate,
wool,
work,
builder,
insulating,
material,
insulation,
house,
people,
job,
home,
attic,
male,
fitter,
building,
uniform,
fixing,
heat,
fitting,
mineral,
overall,
protection,
installer,
roof,
indoor,
inside,
isolation,
wall,
glass wool
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