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Printed membrane label showing switch icons and colour codes. Replaced when worn to maintain clarity for operators.

dB(A) rating for operator comfort and compliance.

Degree to which aggregate is pressed into binder under rolling.

Small lithium battery preserving controller memory when main power is disconnected. Retains calibration data between services.

Traceable certificate validating sprayer flow meter and nozzle accuracy.

Rubber-tyred roller passes to embed chips.

Software update improving controller stability and adding new safety features. Usually installed during annual calibration service.

Test run to confirm controller and flow match target.

Controller that adjusts pump speed to maintain setpoint.

Certificate confirming flow-meter calibration traceable to national standards. Essential document for public-sector surfacing tenders.