Similarly, when heat and light from the sun enter our atmosphere, some gases like carbon dioxide, methane and nitrous oxide do not allow the heat to reflect back into space (like the glass sheet). These are the greenhouse gases. Because they cause the atmosphere to act as a greenhouse, trapping heat inside.
Edging shears. A neatly edged lawn is an attractive feature in the garden, and edging shears make trimming easy. Push the soil away from the grass edge, and then use the shears like scissorsâonly the cutting blade should move, while the other blade remains static.urfing iron. This useful tool is used to remove turf from existing lawns. After the square of turf has been cut, the turfing iron is used to slice underneath it, severing the grass roots. It has a sharp point for cutting and an angled handle to produce level pieces of turf.
Standard Circular Saw Blades. Standard circular saw blades are those you typically use to cut wood or wood composites. The number of teeth on the blade helps determine the speed, type and finish of the cut. Blades with fewer teeth cut faster but those with more teeth create a finer finish. Gullets between the teeth remove chips from the work pieces.