What does PTU stand for?

Bambam - Language symbol (ETLW)

Package Transfer Unit

Pallet Transporter Unit - Military (CAAL)

Paper Tape Unit (SAUS)

Parallel Transmission Unit (AAG)

Part-Throttle Unlock - Automotive engineering

Pathology Transcription Unit

Phenylthiourea - Organic chemistry

Pilot Test Unit - Air Force

Planning Tracking Unit (MCD)

Platinum - Alaska - Airport symbol (OAG)

Platinum, AK - Location identifier - FAA (FAAL)

Plumbers Trade Union (SAUS)

Plumbing Trades Union - British

Plumbing Trade Union (NADA)

Portable Test Unit

Power Transfer Unit

Power Transmission Unit (SAUS)

Pressure, Temperature, Humidity (SAUS)

Probe Transducer Unit (SAUS)

Processor Transfer Unit (SAUS)

Programmable Test Unit (SAUS)

Program Track Unit - Telecommunications (LAIN)

Propylthiouracil - Also, PROP, PT - Thyroid inhibitor

Protection Training Unit (SAUS)

Psychiatric Treatment Unit (SAUS)

Punched Tape Unit (SAUS)