15 feet
A trench box, trench shield, trench sheets, are the put into trenches to stop the walls collapsing inwards and injuring or killing the workmen/utility workers, etc, working in the trench.
When used as an adjective compound, "out of the box" should be hyphenated. Example, "The out-of-the-box themes are very easy to use."
An example of a trench protective system is a trench box, also known as a trench shield. This system consists of a pre-fabricated, heavy-duty structure made of steel or aluminum that is placed within the trench to provide a safe working environment by preventing soil collapse. Trench boxes are designed to be easily transported and installed, allowing workers to access the trench safely while minimizing the risk of cave-ins.
with a cardboard box and some grass / pieces of log, leaves and a few toy soliders paint it brown first though
Used carbon should not be used. You should buy activated carbon, it's already labled that way on the box.
The correct answer is "the box of matches is on the shelf." "Is" is used because "box" is singular, so the verb should agree with the singular noun.
WW1 soldiers sent letters by a pigeon or dogs but they did also have trench post box
A box and whisker plot is a sort of graph used to show a period of time such as a time line or a line graph. To really found out what a box and whisker plot is you should ask a teacher
i should put a cat in my box so i can play with it.
99% of the time, the bb's that come in a box with an airsoft gun are crap and should not be used in your gun. That shouldn't be too big of an inconvenience considering they only come with like 20 bb's.
A comment box, Improvement box, or Idea box
from ground level of 1 meter