Umthamo wethangi lesistimu ye-water chiller uyahlukahluka kusuka kumamodeli kuye kumamodeli. Ngokohlelo lwe- S&A lwe-Teyu yezimboni zokupholisa amanzi, umthamo wethangi usukela ku-9L kuya ku-160L. Uma unemibuzo mayelana nomthamo wethangi, ukuphakama kwepompo kanye nokugeleza kwepompo uma uthenga isistimu yokupholisa amanzi embonini, ungaxhumana nozakwethu othengisayo ngokufanele.
Mayelana nokukhiqizwa, i- S&A I-Teyu itshale izimali zokukhiqiza ezingaphezu kwesigidi samayuan, iqinisekisa ikhwalithi yochungechunge lwezinqubo kusukela ezingxenyeni eziyinhloko (i-condenser) ye-chiller yezimboni kuya ekushiseleni kweshidi lensimbi; ngokuphathelene nempahla, S&A I-Teyu imise izindawo zokugcina izimpahla emadolobheni amakhulu aseShayina, inciphise kakhulu umonakalo ngenxa yokuhanjiswa kwezimpahla ezikude, kanye nokusebenza kahle kwezokuthutha; mayelana nesevisi yangemuva kokuthengisa, isikhathi sewaranti iminyaka emibili.
