Don Harfield

Biochar for living soils, water filtration and carbon filtration. Co-composting with biochar is easy and makes an amazing soil amendment! [email protected]

[Don Harfield @Don_Harfield]

What game has three bishops and nine pawns?

https://t.co/CFRl63X2U3

[Don Harfield @Don_Harfield]

How much a threat is AI becoming if it is not based on ethics?

[Don Harfield @Don_Harfield]

@BBiochar @SeanKellyMEP I agree!

[Don Harfield @Don_Harfield]

@engineers_feed 10”

[Don Harfield @Don_Harfield]

@MorissaSchwartz 571

[Don Harfield @Don_Harfield]

@engineers_feed All of them in braking, steady motion, and accelerating. That’s why tank trucks have baffles and sections.

[Don Harfield @Don_Harfield]

@engineers_feed Depends on the season and current conditions…

[Don Harfield @Don_Harfield]

@engineers_feed Closest spike will likely damage tire going the intended direction. Dirt and small rocks can also easily impair its operation and damage tires.

[Don Harfield @Don_Harfield]

@engineers_feed Wayne Gretzky!

[Don Harfield @Don_Harfield]

@timothyharfield A building needs a good foundation to prevent structural problems occurring during its life. Replacing dirt with inorganic substrate is important so the underlain materials may be properly compacted to achieve uniform support to the future floor and walls. Good job!

[Don Harfield @Don_Harfield]

@engineers_feed Heads as it must be heads on both sides to have 100% heads for 100 random tosses.

[Don Harfield @Don_Harfield]

@ElijahSchaffer Not surprising that women would be wary of a man they don’t know. This is what I would expect.

[Don Harfield @Don_Harfield]

@engineers_feed They would all have the same exit pressure as it would be atmospheric pressure at that point of exit, however, the velocities would be different, especially the smaller exit tube which would have a higher velocity.

[Don Harfield @Don_Harfield]

@BiocharToday Very interesting but could this be prone to fires in a commercial system?

[Don Harfield @Don_Harfield]

@BiocharToday Congratulations on reaching milestone of 1,000 followers!

[Don Harfield @Don_Harfield]

@timothyharfield This causes damage to the tree and has been long recognized as a bad practice.

[Don Harfield @Don_Harfield]

@engineers_feed Two moves to be within 2 feet to open the door, but theoretically never get there.

[Don Harfield @Don_Harfield]

How can the United Nations stand by and not make an enforceable resolution to intervene in the defence of Ukraine? This is a humanitarian crisis! https://t.co/CIhio6UeAc

[Don Harfield @Don_Harfield]

I just wrote a review on Floor Defender Garage Containment Mats https://t.co/XZzpwMmcI5 via @yotpo

[Don Harfield @Don_Harfield]

@HemelAllotment My favourite cooked fruit accompaniment or by itself for breakfast. Rhubarb is great!