to insulate
to decide to use money, time, people etc for a particular purpose
to commit
the process by which an area of land sinks to a lower level than the land surrounding it, or a building begins to sink into the ground
to describe something in a general way, giving the main points but not the details
to cover or protect something with a material that stops electricity, sound, heat etc from getting in or out
to outline
are physical structures used for transporting or distributing natural or artificial light for the purpose of illumination
extremely important and necessary for something to succeed or exist
a subsidence
a sun pipe
reliant
vital
dependent on someone or something
