Mbali :
Timayesetsa kukhala angwiro mwatsatanetsatane.
Zapulasitiki zimapangitsa mapulagi kukhala opepuka komanso ophatikizika.
Pulagi yokhala ndi miyeso yosiyanasiyana yosankha ndiyosavuta kulumikiza ndikuyimitsa.
Kusindikiza kwabwino kumatsimikizira khalidwe lapamwamba.
Chitsanzo | ΦD | L | A |
SPP-4 | 4 | 30 | 20 |
SPP-6 | 6 | 34 | 20 |
SPP-8 | 8 | 38 | 22 |
SPP-10 | 10 | 40 | 25 |
SPP-12 | 12 | 43 | 27 |