If it is a petrol lawnmower made in China there are now spares available
It's possible the height adjustment on the wheels has slipped, thus lowering the cut.
lawn mower blades are made of steel but some are made of plastic
On most mowers you can raise or lower the front wheels with a small lever on the inside edge of wheel.
Hot wheels were made in 15182367
Believe it or not, aluminum wheels are wheels made of aluminum
NO, not in any lawnmower made in the last 40 years. Use SAE 30 or SAE 10W30 detergent oil.
Weld wheels are made for drag racing and sprint cars. Such wheels were made to be resistant from heat and other elements. Weld wheels were invented in 1967.
Vehicle Wheels are made of steel, aluminum, alloys, & chrome. Toy wheels and some utility wheels are mode of plastic. Wheels on early cars were made of wood.
Standard car and truck wheels are made of steel, "alloy" wheels are made of a lightweight aluminum alloy.
Most automobile wheels are made from either Steel or Alloy (Aluminum). There are chrome wheels and plastic hubcaps as well. But most care wheels are made from Alloy or Steel
The first lawn mower was invented by Edwin Budding in 1827