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.
1 You can cut plastic laminate material with a circular saw, saber saw, backsaw or utility knife. 2  The saw blade should be a fine-tooth blade (Fig. 2). 3  A strip of masking tape placed where the cut line is to be made helps prevent chipping and makes the line easier to see. When using a power circular saw or saber saw, cut from the back side of the laminate. 2  These saws cut on the upstroke. 3  Cutting from the back will help prevent chipping. 4  On hand saws, cut from the front side at a low angle. 5  Important: Always cut the sheets of laminated plastic slightly oversized to allow for trimming.