Where are the household solid wastes disposed off?

Either on public lands or on private contractors’ sites. At low-lying public grounds (landfill areas). Both options 1 and 2. Neither 1 nor 2.

Either on public lands or on private contractors’ sites.

The household wastes are disposed off either on public lands or on private contractors’ sites, whereas the solid wastes of industrial units are collected and disposed off through public (municipal) facilities at low lying public grounds (landfill areas).