<prompt> Qedela le nkulumo elandelayo: Ngokwezobuchwepheshe, lesi sakhiwo sasingaphambili kakhulu. I-Ray Oil Burner Company yaseSan Francisco yafaka uhlelo olusha lokushisa uwoyela oluzenzakalelayo, olungazange luboniswe esidlangalaleni eBay Area kwaze kwaba ngo-1915  <response>: IPanama Pacific Exposition eSan Francisco. Ngaphandle kokushisa isakhiwo, lesi simiso sasinikeza izisebenzi zokuthutha izincwadi izindlu zokugeza ezishisayo. Ngo-March 9, 1910, uMphathi Weposi uH. L. Tripp nabasebenzi bakhe baphendukela eSanta Rosa Post Office eyayisanda kuqedwa. 