design

diamond

business

equipment

person

steel

blade

protection

man

dangerous

industrial

technology

frame

Hand

machine

heavy

architecture

construction

house

industry

tool

job

treatment

wheel

economy

production

iron

angle

engineering

site

workshop

worker

builder

Drill

technical

engineer

disk

manufacture

grinder

circular

craftsmanship

apartments

floors

armature

carcass

conditions

cnc

formwork

building materials

construction worker