/ hoe construction.

Construction		Source		Result
		is:DIGGABLE	#	narrow fence posts
	0	pit	.	dirt
			#	field stone half-wall
	0	shallow pit	T	wind mill
	.	grass	.	dirt
	,	long grass	.	dirt
	'	tall grass	.	dirt
	.	dead grass	.	dirt
	.	golf green	.	dirt
	.	white grass	.	dirt
	.	sand
	.	clay
	#	mound of clay
			U	charcoal kiln
			=	smoking rack
			U	rock forge
	0	pit	LINE_OXOX	junk metal barrier
		is:DIGGABLE, FLAT	0	shallow pit
	,	gravel	.	dirt
	.	grass	.	dirt
	,	long grass	.	dirt
	'	tall grass	.	dirt
	.	dead grass	.	dirt
	.	golf green	.	dirt
	.	white grass	.	dirt
	0	shallow pit	LINE_OXOX	stick wall