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Handheld thermometer for checking road surface temperature before spraying or marking. Ensures conditions meet specification for proper adhesion.

Heavy-duty switch isolating all electrical circuits. Used at shift end to prevent battery drain and comply with depot safety policies.

Strainer protecting nozzles and flow meters from contaminants.

Non-contact tool for quick surface/binder temperature.

Fuse protecting the auxiliary-engine start circuit from surge currents. Reduces risk of wiring fires on older sweepers.

Spill kits/cones carried for emergency response.

First absorption of binder into dry surface before chipping; affects final texture.

Module delaying power to sensitive electronics during start-up. Prevents voltage dips affecting controller boot sequences.

Audible buzzer confirming operation of hazard or beacon circuits. Required by many UK local-authority vehicle specifications for safety confirmation.

Shaped inlet improving air entry and reducing turbulence at impeller eye.