2 post car lifts are specifically designed for engineers or mechanics to access the underside of a vehicle e.g. an oil change is needed and access is under the car.
A pulley system is a machine that changes the direction of the force needed to do a task without changing the size or force needed. It allows you to pull downwards to lift an object upwards.
You need help from a machine when the task is beyond human being's reach for eg. like to lift a heavy rock, to travel 100 miles in a hour etc. Also machines are needed for convenience for eg. washing machine.
A pulley is a simple machine that changes the direction of the force required to perform a task without changing the amount of force needed. By redirecting the force, pulleys make it easier to lift or move heavy objects.
fix the ski lift
What must a machine have to meet requirements of a task when there's no human controlling it?
A genie lift performs a very critical lift. A genie lift is a device that is solely used for the "lifting process." The genie lift can be used to lift many types of devices.
a common machine is two simple machine use to overcome on simple task
Machine Language
post, task, toast
The Google Update Task Machine UA is a updater for Google products. It will scan your computer periodically and find which Google products you have and then prompt you to update them.
Using post-it notes can be an excellent way to keep reminders around the house. Everyone forgets the odd task from time to time, but remember to keep it light and friendly as no one likes a nasty note bomb!
If you're asking for the name of the machine that uses several methods to complete a simple task (ie: raising a flag) the machine is called a Rube Goldberg Machine.