Stiefel (Guangdong) Energy Environmental Protection Engineering Co., Ltd. e tala atu i ni solenoid faʻavae o leaga e ai le mafuaʻaga i ai ma le faʻatatau eletika e faʻamolemole mai le toʻotoʻo, e lelei nei iai e pilitia i ai i ni tumutumu e hifo lea se faʻavae o leaga, e lelei ona iai i ni tumutumu e manaʻo atu i ai le faʻavae o leaga. O le faʻavae nei e taumafaʻi i le aofia ʻuma e paʻia ma le ʻuma e paʻia, e faʻamanatu ana i le faʻatasi e lelei, le vaevae, ma le mea fua o le laulau solenoid, e faʻamolemole ana i le manao magineki e faʻamolemole atu i le faʻavae e faʻamolemole. E faʻatatau ana i le tautua leaga ma le faʻamanatu, e lelei ona iai ni faʻavae nei i ni mea ifoga e ai, ma le faʻamanatu leaga i ai, ma ni mea inusitino, ma ni mea faʻatupu, ma le faʻavae o leaga e faʻamolemole atu i le saogalemu o le faʻatatau ma le faʻamanatu.