a system of support and protection for agriculture
adhesive of environmental protection for wood
bed protection for closure
Bridge for protection against avalanche
coal pillar for protection of builings
code for protection design of buildings
corrosion protection for metal
corrosion protection for pipeline
countermeasure for protection
countermeasures for protection
Fence for protection against avalanches
Forest for protection against soil denudation
inactivation and protection for materials
Labour protection for working women
lightning protection for oil field
Lung protection for lung’s function
Measures for Protection