Another option is to use a compressor and a “lift bag”. They empty flat and can be purchased to lift tens of thousands of pounds. Emergency crews carry them. Do NOT, however, get under any vehicle that is supported only by lift bags.
Another option is to use a compressor and a “lift bag”. They empty flat and can be purchased to lift tens of thousands of pounds. Emergency crews carry them. Do NOT, however, get under any vehicle that is supported only by lift bags.