balance
block
boat
carabiner
close
construction
detail
equipment
force
heavy
hillside
hoist
hook
iron
knot
lift
line
load
maritime
mechanical
mechanics
metal
nautical
object
old
part
patina
physics
pull
pulley
rigging
rope
sail
sailboat
ship
simple
strength
symbol
tackle
technology
tool
traditional
transport
travel
vintage
winch
wire
wood
wooden
yacht