- safe strength
- safe stress
- safe use
- safe velocity
- safe water
- safe yield
- safe-blower
- safe-blowing
- safe-breaker
- safe-breaking
- safe-conduct
- safe-cracker
- safeguard
- safeguard clause
- safeguard mechanism
- safeguarding
- safeguarding duties
- safekeeping
- safekeeping agreement
- safekeeping charges
- safekeeping department
- safelamp
- safelight
- safelight filter
- safely
- safely embankment
- safely factor
- safeness
- safety
- safety adviser
- safety allowance
- safety apparatus
- safety appliance
- safety arch
- safety band
- safety bank
- safety bar
- safety barrier
- safety belt
- safety board
- safety bolt
- safety bonnet
- safety bottle
- safety brigade
- safety cable
- safety call
- safety can
- safety capacity
- safety cartridge
- safety catch
- safety certificate
- safety chain
- safety chains
- safety check
- safety clamp
- safety clearance
- safety closure
- safety clutch
- safety cock
- safety code
- safety coefficient
- safety color
- safety colour
- safety committee
- safety communication
- safety container
- safety coupling
- safety curtain
- safety cutoff
- safety cutout
- safety device
- safety dike
- safety disc
- safety disk
- safety distance
- safety dog
- safety earth
- safety education
- safety enclosure
- safety engineering
- safety escape
- safety facilities
- safety factor
- safety fence
- safety field
- safety film
- safety filter
- safety fitting
- safety fittings
- safety frequency
- safety fuel
- safety fund
- safety funnel
- safety fuse
- safety gate
- safety glass
- safety glasses
- safety goggles
- safety ground
- safety guard