Not all reefs in the past were formed by corals: those in the Early Cambrian (542â513 Ma) resulted from calcareous algae and archaeocyathids (small animals with conical shape, probably related to sponges) and in the Late Cretaceous (100â66 Ma), when there also existed reefs formed by a group of bivalves called rudists; one of the valves formed the main conical structure and the other, much smaller valve acted as a cap.
You can engage your child on the floor once your little one can support his or her head with the Bumbo Floor Seat in the Blue style. The seat enables your child to sustain a sitting position on the floor, so you can read to, feed and play with him or her safely. Low-density foam in the contoured seat is comfortable for your little one, and a three-point harness keeps him or her safe. You will love the lightweight, easy-to-clean design.
A âGoboâ is a small stencilled circular disc, and used in lighting fixtures to create a projected image or pattern.The term Gobo is short for âGo Between Opticsâ, describing the location where it needs to be positioned in the light path of a lighting fixture.Whilst Goboâs are not a new technology they are still being used on events the world over.he possibilities are endless but first we look at the history of the gobo and what you need to know before creating a customised gobo. 1  Audio Visual Discipline: Lighting for events. 2  Audio Visual Event Category: AV Effect. 3  AV Jargon: Gobo, Batman Signal.