+ my $part_svc = $self->cust_svc->part_svc;
+ my @label = ();
+ if (my $type = $self->hardware_type) {
+ push @label, ($part_svc->part_svc_column('typenum') || 'Type:').
+ $type->description;
+ }
+ if (my $ser = $self->serial) {
+ push @label, ($part_svc->part_svc_column('serial') || 'Serial#'). $ser;
+ }
+ if (my $mac = $self->display_hw_addr) {
+ push @label, ($part_svc->part_svc_column('hw_addr') || 'MAC:'). $mac;
+ }
+ return join(', ', @label);