3 kg−wt3 \mathrm{~kg}-\mathrm{wt}3 kg−wt
4 kg−wt4 \mathrm{~kg}-\mathrm{wt}4 kg−wt
5 kg−wt5 \mathrm{~kg}-\mathrm{wt}5 kg−wt
16 kg−wt16 \mathrm{~kg}-\mathrm{wt}16 kg−wt
