Sigapoa o se atunuʻu i teritori teritori. O loʻo i ai le moli uila sili ona leaga ile lalolagi. O le Prosurge's surge protection device (SPD / TVSS) ua faʻapipiʻi ma faʻatautaia lelei i Sigapoa:
| 1) Faʻapipiʻi SP320 / 4P faʻapipiʻi i le 22KV Electrical Sub-Station Battery Charges Panel. | 2) Faʻaopoopo le SP275 / 4P i le Singtel Base Station DB. |
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(Sing Singer faasino i le Singapore Telecommunications Limited.)
