No. If it is a certification course then the validated areas will be mentioned in that certificate.
Even the best screws only have a mechanical advantage of twenty percent. Therefore, the screw is not a very efficient lifting device.
Dogs can be trained to smell the gun powder in the device and when found are trained to sit by it to alert their handler where it is, some are even taught to sit and howl or bark
A device for lifting boats over sandbars.
true
It means when you are controlling the device for e.g. phone, computer, printer and etc.
yes
true
It depends entirely on the device. Give it a try.
Inflatable PFD
A pallet truck is a manually-operated device for lifting and moving pallets.
A pallet jack is a manually-operated device for lifting and moving pallets.
Can you physically? Yes. Is it authorized? Absolutely not.