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.
Plant the seeds. Push back the mulch covering the spot in which you plan to plant the seed. Then simply plant the seed at the depth recommended for that variety. There is no need to work the soil. Once the seed is planted, fill in the hole with soil and pat it down with your hand.