1.
a group or category within a system
3.
a pointed attachment at the end of a ladder
4.
a knot used to attach a rope to an object
5.
it can be folded to fit into a small space
6.
arrangement of parts of something
7.
like oil used for making food
8.
to organized different aspects of something
9.
a device that allows hoses and appliance to connect
10.
to clean something that has been contaminated
11.
a sprinkles system that dumps a large amount of water
12.
to put something into use
13.
process of noticing the existence of something
14.
to get off or climb out of something
15.
a locking mechanism on an extension ladder
16.
in a radio system, two frequencies used to transmit
18.
raised above the ground