APM-109 faʻapipiʻi faʻapipiʻi faʻapipiʻi fagu faʻapipiʻi, suʻesuʻeina le leki ma le masini e aveese ai le pefu mo fagu eseese ma faʻapitoa.
O lenei faʻataʻitaʻiga o se faʻapotopotoga faʻapipiʻi atoatoa, leakage, ma le pefu faʻapipiʻiina masini faʻapipiʻiina e le APM ma ua faʻateleina-faʻatupuina. E masani ona faʻaaogaina mo le tele o faʻapotopotoga faʻapipiʻi fagu, suʻesuʻeina le leakage, aveeseina o le pefu, ma nisi asiasiga e le masani ai oloa. Mo se faʻataʻitaʻiga: tapuni fagu uaina, tapuni ipu vai feaveaʻi, ma isi, e mafai ona mamanuina e tusa ai ma manaʻoga eseese e fetaui ma manaʻoga o le faʻapotopotoga, suʻesuʻeina le leakage, aveese pefu, ma isi.