機器
base metal
casual
collection metal
collection scrap metal
construction
crane
enterprise
factory
ferrous material
ferrous materials
ferrous metal
garbage
handling
industrial
industry
iron
junk
litter
loading
loading operations
loading works
metallo
metallurgical industry
metallurgical plant
metallurgy
mill
nonferrous materials
ore
plant
process sorting
recycled materials
recycling
refuse
reworking
rubbish
salvage
scrap recycling
second raw material
secondary raw
secondgeneration
sorting waste
steel
steel mill
steel plant
tin
trash
waste
waste recycling
work