Many air mattresses have electric pumps used to inflate and deflate the beds for a more comfortable sleep. There are many different types of air mattresses with electric pumps that are suitable for many different budgets.
No, I have never used a bear banger for protection while camping in the wilderness.
I use a Mistubishi electric fuel pump and it works good.
Portable toilets are actually mainly used in camping. All camping parks allow the use of portable toilets. They are even more usefull when you camp in wild park campings.
A kitchen for camping can be purchased at Cabelas, Bass Pro Shops, and Canadian Tire. There are many different kitchens used for camping; some camping kitchens follow the oven style while others are just burners. Most camping kitchens require propane which is sold separately.
In the event engine-driven fuel pump fails.
Electric motor driving a pump.
iodine is used for disinfecting water while camping and staining specimens for microscope use
Ballast used to be stones. With the invention of the electric pump, I think most ships will actually pump water into and out of tanks to adjust their ballast now.
The water pump and/or an electric motor.
Camping uses a temporary shelter such as a tent or bivouac.
A bear bag is a bag used to store food and scented items while camping in bear country. It is typically hung from a tree branch away from the ground and the trunk to prevent bears from accessing it. This helps to keep bears away from the campsite and reduce the risk of encounters with them.
If you are going for camping with your family and friends, there are special camping gears should be used so that your camping would be be more advantageous and hassle free.