Putting hot water in your pan (or ice-cube tray) has the effect of melting the ice-layer on the surface, providing for better heat transfer to the surface.
(Putting hot water in your pan (or ice-cube tray; has; the effect of melting the ice-layer on the surface, providing for better heat transfer to the surface)
Putting hot water in your pan (or ice-cube tray
has
the effect of melting the ice-layer on the surface, providing for better heat transfer to the surface