The art teacher collected empty toilet tubes for the children's craft project.

The submarine's torpedo tubes were loaded and ready before dawn.

I packed several fishing-tubes in my tackle box before heading to the lake.

During the simulation, the software highlighted the intersections of the Ewald tubes with the reciprocal lattice, revealing possible diffraction conditions.

The hospital replaced the old Coolidge tubes to ensure safer diagnostic imaging.

The laboratory replaced the old discharge tubes to stabilize the lamp's output.

The engineer inspected the filter tubes for corrosion before approving the shipment.

The workers replaced the old fluorescent tubes in the office to improve lighting and reduce energy use.

The technician carefully inspected the old Gerber tubes before deciding which ones to reuse.

After the match, I blamed the loss on the enemy's noob tubes.