my $units_data = AM->unit_select_data($units, undef, undef, $part_info->{unit});
my @contents = DO->get_item_availability('parts_id' => $form->{parts_id});
my $units_data = AM->unit_select_data($units, undef, undef, $part_info->{unit});
my @contents = DO->get_item_availability('parts_id' => $form->{parts_id});