a person trained and skilled in the design, construction, and use of engines or machines, or in any of various branches of engineering: a mechanical engineer; a civil engineer. a person who operates or is in charge of an engine.
The most important things to remember with planting rambutan seeds are: 1  Seeds must be put in flat. 2  Don't bury seeds too deep. 3  Soil must be kept loose.  Soil must be 1  loamy. It will take about 10-21 days for the rambutan seed to germinate.
Either will work, but the soil method will provide faster results. If the seed is started in water, insert three or four toothpicks in the seed about half way down the sides. Next, fill a small glass with water to the brim and place the seed in the glass, flat end down, so the toothpicks rest firmly on the brim.f the avocado seed is started in soil, fill a large container with house plant potting soil. Plant the seed so that the pointed end is about an inch above the soil surface.