component	a part of a machine or piece of equipment
exhibition	a public show where art or other interesting things are put so that people can go and look at them
non-refundable	if the money that you pay for something is non-refundable, you cannot get the money back for any..
sincere	showing that you really mean what you say
submit	to formally give something to someone so that they can make decision about it
unacceptable	too bad to be allowed to continue
blanket	a thick cover made of wool or another material that you use to keep warm in bed
check in	the place that you go to when you arrive at an airport or hotel, or the process
thermostat	a pice of equipment that controls the temperature in a building, machine, or engine