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.
Rotary mowers: The rotary mower, which is the primary type of mower for many homeowners, is most effective at cutting grass to a height of one-and-a-half to three inches. It works by using a high-speed, rotating blade to cut the grass.These mowers are noisy, but they are easier to sharpen and maintain than reel mowers. Proper mowing practices are fundamental to achieving a healthy, green lawn. A properly mowed lawn will have healthier, denser grass and fewer weeds.eel mowers: This type of mower works best on grass with short heights of one inch or less, such as Bermuda or zoysia grass. It uses a shearing action to cut the grass.