The main types are endoskeletons and exoskeletons.
the 4 main types of economic systems are: a market economy, a mixed economy, a planed economy, and a traditional economy
The four main seasons in India are Summer, Winter, Monsoon and pre-monsoon.
The three main types of payroll systems are manual, software and external.
Worm gear and rack and pinion.
Irrigation
Most of the jobs that are there in the rest of the world....Farming is a main one...
Yes, a backflow preventer is typically required on irrigation systems to prevent contaminated water from flowing back into the main water supply. It helps protect the public water system from potential health hazards.
The city of Angkor relied heavily on selling its rice as its main cash crop. The monsoons and irrigation systems benefited the rice paddies.
The main types of air conditioning systems available in the market are central air conditioning, ductless mini-split systems, window units, and portable air conditioners.
capital resources, human resources, & natural resources
Irrigation