The workers cleaning floor exterior walkway using polishing machine and chemical or acid
Schlüsselwörter
cleanliness,
pressure,
scrubbing,
sweeping,
marble,
washing,
office,
rubber,
scrubber,
surface,
improvement,
machinery,
corridor,
service,
detergent,
exterior,
concrete,
chemical,
electric,
building,
sweeper,
maintenance,
cement,
machine,
equipment,
clean,
men at work,
floor,
commercial,
person,
industrial,
man,
job,
work,
wet,
cleaner,
professional,
background,
business,
occupation,
employed,
dirty,
polishing,
people,
construction,
industry,
polish
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