schl - semi
- self-locking
- Self-Locking Nuts on Bolts Subject to Rotation
- self-locking synchronized slips
- self-locking winch line hook
- self-loop
- self-loop-free net
- self-lubricating bearing
- self-lubricating coating
- self-lubricating material
- self-luminous object
- self-magnetically insulated diode
- self-maintained user
- self-mobile robot
- self-mobilizing platform
- self-monitored vertical gyro
- self-monitoring
- self-monitoring measuring system
- self-moving robot
- self-normalization diversity combining
- self-normalizing soft-decision receiver
- self-nucleation
- self-nulling
- self-opening glass flats
- self-opening peripheral-annulus discharge centrifuge
- self-optimising (adaptive control system)
- self-organizing
- self-organizing data management system
- self-organizing system
- self-oriented polymer
- self-oscillation phenomenon
- self-oscillator
- self-paced instructional programme
- self-pavement
- self-piercing rivet
- self-potential logging
- self-potential method
- self-potential survey
- self-powered neutron detector
- self-preserving motion
- self-preserving wake How