Indeed. If too much mineral sediment accumulates on the bottom, the sulfur's medicinal efficacy won't reach the skin as easily. Drain the excess water once to maintain the proper level. (N4 lesson 6)
Momo, please inspect this communication machine left in the harbor signal station. The telegraph key's metal spring is rusted and too stiff, making it impossible to key. (N5 lesson 55)
Yeah. We shear off the overgrown new shoots with sharp bonsai shears and wrap copper wire around the young branches to shape gentle curves. (N4 lesson 33)