How to Care for a Norfolk Pine. Despite its name, Norfolk Pines are houseplants, although in a frost-free climate it can grow outdoors quite well--up to 100â (30 M) tall.In the home size it is limited by the container; most Norfolk pines in the house get to 5â to 6â (1.52 to 1.82 M) tall if well grown.ow to Care for a Norfolk Pine. Despite its name, Norfolk Pines are houseplants, although in a frost-free climate it can grow outdoors quite well--up to 100â (30 M) tall.
Headset Microphone Windscreens (Microphone Covers) The headset microphone windscreen (also referred to as a microphone cover) protects the microphone from dirt and moisture. A microphone covered by a windscreen is protected and delivers better sound quality.
Rocker cover. Rocker covers are covers that are bolted on over rocker arms in an internal combustion engine. They are called valve covers in the United States, Canada, and in situations where Rocker Arms are not present, such as some Overhead Cam, and most Dual Overhead Cam engines.[1] and rocker boxes in the United Kingdom. On modern engines without rocker arms they are internationally known as valve cover but are sometimes referred to as a cam cover or timing cover if they also cover the timing gear(s) and belt or chain.