Iimbonakalo
Umatshini wekhonkrithi we-foam we-HWF ngumatshini wekhonkrithi we-foam encinci, eyenzelwe ukwakhiwa kwe-compact, ekulula ukuyisebenzisa, ukuhamba kunye neendleko eziphantsi;
Ukumpompa, ugwebu kunye nenkqubo yokuxuba ihlangana iyonke, ilungele ukusetyenziswa;
Inenkqubo yokutyisa eqhubekayo kunye nenkqubo yokubonelela ngamanzi, kunye nobude obuphezulu bokumpompa kunye nemfuneko yamandla aphantsi.
Yamkela umthombo wamandla wesigaba esinye, kwaye amandla aphakathi, alungele ukwakhiwa kosapho.