to ignite; to set fire to; to spark (an incident, etc.); to inflame (a situation, etc.)
difficult; hard; impossible; unfeasible; fussy; particular; gloomy
to satisfy the requirements
remainder; remnant; (not) very; (not) much; too much; excessively
(not) so; (not) particularly; (not) very; (not) that much
special; particular; peculiar; unique
coal mine; (coal) pit; colliery; coal-mine shaft
powder; finely-crushed substance; fines
finally; after; following; at the end (of)
to be due to; to be caused by; to depend on; to turn on; to be based on; to come from
recklessness; daredevilry; rashness; (arch.) long-lasting
laborer; labourer; blue-collar worker
to; for; from the standpoint of; as far as ... is concerned
mark; target; object; subject; point (e.g. of argument)
et cetera; etc.; or something; the likes of; for example; for instance
to deal with (a person); to treat; to deal with (a problem); to handle; to operate (e.g. a machine); to handle; to deal in
factory; plant; mill; workshop
often; again and again; frequently; repeatedly
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
destruction; disruption; (application) crash
going up in flames; destruction by fire (esp. of a large building); stirring up a storm of criticism online (of an article, tweet, statement, etc.); becoming the target of an Internet pitchfork mob
the past; bygone days; one's past (that one would prefer remained secret); past (tense); preterit; previous life
to claim victims; to cause casualties
on the occasion of; circumstances; juncture
condition; term; requirement; qualification; prerequisite
mineral dust; mine dust; fine particles; dust
ignition; catching fire; setting on fire
origin; source; base; basis; cause; ingredient; material
three; three years of age
particularly; especially; in particular; expressly
floating; drifting; suspension; (arch.) wandering (about)
concentration; thickness; density; cardinality