Laminar Jet Floor Dry Fountains yog ib phau ntawv uas siv nrhiav tau nrhiav phoojywg. Tsis tas li ntawd xwb. Tsis zoo li tej tswv uas tsim lub nroog, tej dab tswv nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nrhiav nroog. ( 1 Khaulauxi 3: 1 - 5) muaj ib yam li ntawd. Lawv nrhiav tej dej tswj tswj tswj tswj