A: It may belong to the 44th category.
Forty-fourth class
Medical, cosmetology, horticulture
4402 Health and beauty services
440019 Steam bath
Seventh class
Mechanical equipment, motors, transmissions
0733 Machinery for construction, railway, civil engineering
070014 Steam roller
0752 Cleaning, Waste Disposal Machinery
070485 Steam Cleaning Apparatus
0737 Steam Power Equipment
070429 Boilers for Steam Machines 070242 Steam Machines 070115 Steam Condensers (Machine Components)
0750 Couplings for Machine Transmissions, Drive Belts, and Other Machine Parts 070152 Steam or oil separators C070359 Parallel tapes (incl. transport belts, conveyor belts, excl. engine drive belts for land vehicles)